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annularity是什么意思,annularity中文翻譯,annularity怎么讀、發(fā)音、用法及例句
發(fā)布時(shí)間:2025-02-20 14:30:01

?annularity

annularity 中文意思翻譯

常見(jiàn)釋義:

n.環(huán)形狀態(tài),環(huán)狀

annularity 短語(yǔ)詞組

1、annularity meaning ─── 環(huán)狀意義

2、annularity pretexts ─── 環(huán)狀借口

3、annularity 2017 2017 ─── 年 ─── 年度

4、annularity dilapidation ─── 環(huán)狀崩塌

5、annularity definition ─── 環(huán)度定義

6、annularity solar eclipse ─── 日環(huán)食

7、annularity rome ─── 羅馬環(huán)狀

annularity 相似詞語(yǔ)短語(yǔ)

1、avuncularity ─── 無(wú)極性

2、vascularity ─── n.多血管;血管質(zhì)

3、insularity ─── n.(思想、觀點(diǎn)等)偏狹,性僵化;島國(guó)性質(zhì)(或狀態(tài));島嶼生活狀況,與外界隔絕的生活狀況

4、annularly ─── adv.環(huán)狀地

5、granularity ─── n.間隔尺寸,[巖]粒度

6、acicularity ─── 針狀

7、angularity ─── n.有角;成角狀;生硬

8、annuity ─── n.年金,養(yǎng)老金;年金保險(xiǎn);年金享受權(quán)

9、singularity ─── n.奇異;奇點(diǎn);突出;稀有

annularity 常見(jiàn)例句(雙語(yǔ)使用場(chǎng)景)

1、Disk pulvinate to annular to cup-shaped. ─── 對(duì)對(duì)杯狀環(huán)狀墊狀的花盤(pán)。

2、The outer annular fibres are formed from fairly coarse collagen fibres and attach to the outer margin of adjacent vertebral bodies. ─── 外圍環(huán)狀纖維從相當(dāng)粗糙的膠原蛋白形成并附著在相鄰椎骨體外圍邊緣。

3、Numerical Simulation for Transformation of Annular Laser Beam in Cassegrain Multi-Pass Amplifier[J]. ─── 引用該論文 李瑋,馮國(guó)英,陳建國(guó),黃淵,李小東,丁世鵬,應(yīng)娉,蘇娟.

4、The key factors affecting frictional pressure loss in narrow annuli are changing annular dimensions, rotation and vibration of drill strings. ─── 影響窄環(huán)空中摩擦壓降的關(guān)鍵因素為環(huán)空尺寸的變化、鉆柱的旋轉(zhuǎn)和振動(dòng)。

5、The progress in FCC stripper,including the flowing behavior of gas-solid in baffles stripper,annular stripper and packing stripper,was introduced. ─── 介紹了近年來(lái)催化裂化裝置汽提器的研究現(xiàn)狀,主要包括擋板汽提器的氣固流態(tài)化行為,環(huán)流汽提器和填料型汽提器。

6、An experimental investigation concerning with steam reforming of methanol over a coated catalyst is carried out in an annular micro-reactor. ─── 為解決燃料電池氫源問(wèn)題,針對(duì)甲醇水蒸氣重整微型反應(yīng)器,研究了一種新的催化劑涂層技術(shù)。

7、Optimal stitching algorithm is extremely important for testing large-aperture aspherical optical elements by annular sub-aperture scanning technique. ─── 摘要優(yōu)化的拼接算法是環(huán)形子孔徑掃描測(cè)量大口徑非球面光學(xué)元件的關(guān)鍵問(wèn)題。

8、There will be an annular total eclipse tomorrow. ─── “明天這里將發(fā)生日全食”用英語(yǔ)怎么說(shuō)?

9、HSS-E annular cutter with weldon shank, 25mm D.O.C. ─── 雙削平柄系列超硬高速鋼孔鉆,切削深度25毫米.

10、The thin ring of sunshine encircling the moon during an annular eclipse is called an annulus. ─── 在日環(huán)食期間,繞著月亮的那輪淺淺的太陽(yáng)光就被稱(chēng)為環(huán)面。

11、The table below shows solar eclipses with more than 8 minutes of annularity. ─── 下表顯示環(huán)食時(shí)間達(dá) 8 分鐘的日食。

12、When applied in the contrast experiment to square annular supports and semicircle arch supports, the conclusion of numerical simulation is c... ─── 應(yīng)用數(shù)值模擬的結(jié)論,在現(xiàn)場(chǎng)進(jìn)行了方環(huán)形支架與半圓拱支架的對(duì)比試驗(yàn),取得了較好的效果。

13、Between the vessels is an annular space that contains an insulating medium, from which all the air has been removed. ─── 在內(nèi)外罐之間是環(huán)形空間,空間內(nèi)容納著絕緣介質(zhì),空間內(nèi)的空氣已經(jīng)抽走。

14、Some factors can affect swarf|carrying capacities, such as annular velocity, rheological properties and density of drilling fluid, deviation angle of hole, and size of swarf. ─── 對(duì)鉆井液的環(huán)空返速、流變性能、密度及井眼傾角、銑屑尺寸等參數(shù)對(duì)側(cè)鉆水平井套管段銑銑屑環(huán)空運(yùn)移的影響進(jìn)行了實(shí)驗(yàn)研究。

15、All tanks are powder and vacuum insulated in the annular space. ─── 所有罐都有真空環(huán)形隔熱層。

16、Establishes an experiment platform for suction-airflow affected by annular jet and designs a ventilation inlet with blades engendering rotating jet. ─── 建立了環(huán)形射流作用下的吸氣流動(dòng)實(shí)驗(yàn)臺(tái),設(shè)計(jì)了帶有產(chǎn)生旋轉(zhuǎn)射流葉片的風(fēng)口。

17、Adding air pressure within the annular space between the housing and sleeve can throttle, or close the valve. ─── 在閥體外殼和套管之間的環(huán)形空間內(nèi)施加氣壓,即可實(shí)現(xiàn)閥門(mén)的節(jié)流和關(guān)閉功能。

18、The track it creates is called the path of annularity. ─── 它產(chǎn)生的路徑被稱(chēng)作環(huán)食帶。

19、This paper discusses on the strongpoints,shortcomings of the annular oxygen filling on vehicle ignition coil and its dehiscence problem in use. ─── 主要論述汽車(chē)點(diǎn)火線(xiàn)圈環(huán)氧灌封料的優(yōu)點(diǎn)、缺點(diǎn)及使用中的開(kāi)裂問(wèn)題,介紹其技術(shù)要求、材料分析、開(kāi)裂原因分析及改進(jìn)措施。

20、The angle of the annular fibres in relation to the horizontal can vary between 400 and 700, depending on their position in the annulus. ─── 與水平相關(guān)的環(huán)狀纖維的角度移動(dòng)介于400與700之間,取決于他們的環(huán)狀位置。

21、To the breast descensus company with huge breast , using the two annular incisions do breast diminution suspension operation . ─── 對(duì)乳房松垂伴巨乳的,采用雙環(huán)切口行巨乳縮小乳腺懸吊術(shù)。

22、The wall temperature distribution is tested on an annular combustor by using thermocouple and temperature-indicating paint. ─── 壁溫分布試驗(yàn)在全環(huán)形燃燒室試驗(yàn)臺(tái)上進(jìn)行,采用熱電偶和示溫漆測(cè)量。

23、Synchronous belt drive consists of an annular belt whose inner surface has equidistant teeth and belt pulley which has the relative teeth. ─── 同步帶傳動(dòng)是由一根內(nèi)周表面設(shè)有等間距齒型的環(huán)行帶及具有相吻合的帶輪所組成。

24、A total or annular solar eclipse occurs if the new moon is exactly on the ecliptic. ─── 當(dāng)新月正在黃道上,就會(huì)有日全蝕或日環(huán)蝕(29章,46,66).

25、Research and application of vertexes radial algorithm for sector-annularity parts ─── 扇環(huán)零件優(yōu)化排樣的扇形頂點(diǎn)射線(xiàn)算法

26、Three ring type ball cores even numbers ball can achieve, what outside of person on the scene bearing, to can see annular sign on the upper spheroid. ─── 三環(huán)型球芯的雙號(hào)球能做到,無(wú)論人在場(chǎng)外什么方位,都能看到球體上的環(huán)狀標(biāo)志。

27、the duration of annularity steadily decreased with each eclipse as the Moon passed progressively closer to Earth. ─── 當(dāng)月球日益靠近地球,環(huán)食穩(wěn)定持續(xù)時(shí)間減少。

28、Take CF-P1 as material, handled with high temperature and pressing into ready figuration,annular placket, dividedinto single opening and composite opening. ─── 以CF-P1為材料,經(jīng)高溫?zé)Y(jié)處理壓制成型,即為開(kāi)口環(huán)形。分為單開(kāi)式和復(fù)合式。

29、Abstract A new method of design is applied to analysis the characterization of micros-trip discontinuities of a new type of annular branch hybrid. ─── 摘要 基于一種新型環(huán)形分支電橋設(shè)計(jì)中微帶交接點(diǎn)出現(xiàn)的不連續(xù)性問(wèn)題,本文提出了一種新的設(shè)計(jì)方法。

30、Bearing caps in the car out of the pass-hole annular trough, grease-filled tank, can improve the sealing effect. ─── 在軸承蓋的通孔內(nèi)車(chē)出環(huán)形槽,槽中填充潤(rùn)滑脂,可以提高密封的效果。

31、Pictured above, a spectacular annular eclipse was photographed behind palm trees on 1992 January. ─── 上面的照片是1992年一月在棕櫚樹(shù)后拍到的一張壯觀的日環(huán)食景象。

32、For the first category, we consider the boundary flow as an annular zone completely isolated from mixing with the main flow environment. ─── 對(duì)于第一個(gè)范疇,我們把邊界看作是完全隔離的環(huán)形區(qū)域,并不與主流環(huán)境相混合。

33、The two-dimensional heating model of tube bill ets in annular furnace is established based on the radiation and conduction by h ot furnace bottom. ─── 在考慮熾熱爐底的輻射加熱和導(dǎo)熱加熱的基礎(chǔ)上,建立了環(huán)形爐內(nèi)管坯二維加熱模型。

34、A kind of new turblent flow in annular square channel with two cooled wall was designed on basic thermophoresis principle. ─── 依據(jù)熱泳基本原理,設(shè)計(jì)了一種新型湍流方環(huán)形雙壁冷卻式通道。

35、Ve/Va

36、Quantification of tricuspid annular motion velocities measured by DTI provides a new method to assess right ventricular function in patients with CAD. ─── DTI技術(shù)測(cè)定三尖瓣環(huán)運(yùn)動(dòng)速度可作為評(píng)價(jià)冠心病右室功能的新方法。

37、They measured the effectie regurgitant orifice and ealuated indices of mitral deformation, including systolic alular tenting and mitral annular contraction. ─── 他們?cè)u(píng)價(jià)了返流時(shí)有效的二尖瓣口大小和二尖瓣異形程度,包括收縮期瓣膜的展開(kāi)及二尖瓣的收縮。

38、Annular or helically corrugated stainless steel hose, close pitch, for conveying chemicals, gases, steam, etc. ─── 廣泛用于燃?xì)饧案鞣N液體輸送管道??砂纯蛻?hù)圖紙,樣品制造。

39、Rat IVD cells (harvested from nucleus pulpusos and inner annular fibrosus) cultured in alginate beads were exposed to different doses of simvastatin. ─── 大鼠椎間盤(pán)細(xì)胞(從髓核和纖維環(huán)內(nèi)層收集)在在藻酸鹽里培養(yǎng),暴露在不同劑量的辛伐他汀。

40、it creates is called the path of annularity. ─── 它產(chǎn)生的路徑被稱(chēng)作環(huán)食帶。

41、An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently. ─── 本文介紹了一種用雙極坐標(biāo)映射和降噪的方法對(duì)虹膜圖像進(jìn)行歸一化,可以有效的將不同心的環(huán)形圖像映射到雙極坐標(biāo)系上。

42、The breakup of annular liquid jet is with great importance to the atomization process of GDI engine sprays. ─── 摘要環(huán)膜液體射流的破碎機(jī)理研究對(duì)于GDI汽油機(jī)的霧化過(guò)程具有重要的意義。

43、The structure compactness was realized by integrating the flexible drug bag into the entryway of the pump in a shell with two annular electrodes. ─── 將柔性藥囊儲(chǔ)藥器集成于泵的入口通道,并置于帶有兩個(gè)環(huán)形電極的殼體中,實(shí)現(xiàn)了結(jié)構(gòu)的輕小化。

44、longest duration of the annularity on China's territory would be 8 minutes and 17 seconds in Ruili, Yunan Province, Cheng said. ─── 程卓稱(chēng)中國(guó)本土最長(zhǎng)的日環(huán)食將在云南省瑞利發(fā)生,時(shí)長(zhǎng)8分17秒。

45、Applying air pressure to the annular space between the sleeve and the body actuates the valve. ─── 在套管與閥體之間的環(huán)形空間內(nèi)施加氣壓來(lái)驅(qū)動(dòng)閥門(mén)。

46、Making use of the linear field theory, the dielectric Cherenkov maser with an annular plasma is analysed in detail. ─── 利用線(xiàn)性場(chǎng)理論,對(duì)填充環(huán)形等離子體的介質(zhì)切倫可夫脈塞進(jìn)行了詳盡的分析;

47、To ensure efficient lubrication, the needle roller bearing has an annular groove and lubrication hole in the outer ring. ─── 為了確保有效潤(rùn)滑,滾針軸承的外圈上有環(huán)形槽和潤(rùn)滑孔。

48、At the end of the annular passage,shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7,which causes a greater total pressure loss. ─── 在相對(duì)升程小于6%、壓比小于0.7后,環(huán)形通道的末端將產(chǎn)生激波,激波帶來(lái)較大的全壓損失.

49、John M. Tinsley etc, Slurry of Factors Causing Annular Gas Flow Following Primary Cementing[R]. SPE8257. ─── 劉崇建,張玉隆.應(yīng)用水泥漿稠度阻力變化預(yù)測(cè)環(huán)空氣竄的研究[J].天然氣工業(yè),1999,19(5):46-50.

50、Experimental studies have been made for the EHD enhanced boiling heat transfer of R11 in horizontal annular tube filled with glass beads. ─── 以氟里昂(R11)為工質(zhì),采用交流電場(chǎng)對(duì)填充玻璃珠的水平套管進(jìn)行了強(qiáng)化沸騰換熱實(shí)驗(yàn),比較了不同粒徑的多孔質(zhì)材料對(duì)換熱強(qiáng)化效果的影響。

51、The use of the IAU's mean k, however, guarantees that some annular or hybrid eclipses will be misidentified as total. ─── 使用IAU定義的K值,然而有證據(jù)表明當(dāng)全食發(fā)生時(shí),一些環(huán)食或者混頻環(huán)食會(huì)被識(shí)別錯(cuò)。

52、Annular groove and three lubrication holes in the outer ring; covered with a polymer band. ─── 外圈帶環(huán)形槽和三個(gè)潤(rùn)滑孔,有聚合物帶覆蓋。

53、Why Could We Observe Eclipse instead of Annular Eclipse of the Moon? ─── 為什么能觀察到日環(huán)食,而不能觀察到月環(huán)食?

54、Integrated effects of annularity deep-ditch fertilizing on dryland apple ─── 旱地蘋(píng)果園環(huán)狀深溝施肥綜合效應(yīng)初報(bào)

55、Design of the superresolution multiple annular filters based on the genetic algorithm[J]. ─── 引用該論文 樂(lè)孜純,俞其雷,張明,諸洪瑩.

56、This paper analyzes the network structure of the hybrid fiber coax,such as star form network,tree form network,star tree form network and annular network. ─── 分析了混合光纖同軸網(wǎng)的幾種組網(wǎng)方式 ,如星形網(wǎng)、樹(shù)形網(wǎng)、星樹(shù)形網(wǎng)和環(huán)形網(wǎng)。

57、Lithologic reservoirs may form radioactive radon anomalies at surface, which generally assume the annular anomaly pattern. ─── 摘要巖性油藏在地表可產(chǎn)生放射性氡異常,呈環(huán)狀模式。

58、Test annular BOP at 2500psi. ─── 對(duì)閘板防噴器進(jìn)行全壓試驗(yàn)。

59、An annular combustor with evaporation tubes was designed for certain micro-turbojet engine. ─── 摘要為某微型渦噴發(fā)動(dòng)機(jī)設(shè)計(jì)了一個(gè)蒸發(fā)管環(huán)形燃燒室。

60、The plate was loaded in its own plane by a pin passing through the hole in an annular disc fitted in the hole in the plate. ─── 平板的孔里面鑲嵌著一個(gè)套環(huán),在此圓盤(pán)的孔中穿過(guò)一個(gè)銷(xiāo)釘而使平板在其自身平面內(nèi)受載。

61、The design of the multiple annular filters with superresolution is proposed based on the technology of optical superresolution. ─── 摘要本文研究利用光學(xué)超分辨技術(shù)提高光盤(pán)存儲(chǔ)密度。

62、It was reported that there would be an annular eclipse tomorrow. ─── 據(jù)報(bào)道說(shuō),明天有日環(huán)食。

63、The influence of the steady biofilm developed in the annular reactor(AR) on combined chlorine decay was studied. ─── 在實(shí)驗(yàn)室利用AR反應(yīng)器培養(yǎng)生物膜,研究了在各種培養(yǎng)條件下達(dá)到穩(wěn)態(tài)的生物膜對(duì)化合氯消耗的影響。

64、Annular flow was analyzed for boiling heat transfer in vertical narrow rectangular gap with liquid drop entrainment in this paper. ─── 摘要對(duì)豎直矩形狹縫通道內(nèi)有液滴卷吸環(huán)狀流階段流動(dòng)沸騰進(jìn)行分析。

65、Adding air pressure within the annular space between the body and the sleeve can open, throttle, or close the valve. ─── 在閥體和套管的環(huán)形空間內(nèi)施加氣壓,就能夠?qū)崿F(xiàn)開(kāi)啟、節(jié)流或關(guān)閉閥門(mén)的功能。

66、Also we can determine partial annular turbulent and laminar flow area range using laminar flow area equation of eccentric annular Newtonian fluid. ─── 可用偏心環(huán)空牛頓流體層流區(qū)域方程確定環(huán)空局部層流和紊流區(qū)域范圍。

67、The progress in FCC stripper, including [he flowing behavior of gas-solid in baffles stripper, annular stripper and packing stripper, was introduced. ─── 摘要介紹了近年來(lái)催化裂化裝置汽提器的研究現(xiàn)狀,主要包括檔板汽提器的氣固流態(tài)化行為,環(huán)流汽提器和填料型汽提器。

68、We have chosen the best place to observe the annular eclipse of the sun. ─── 我選定了一個(gè)觀測(cè)日環(huán)食的最佳地點(diǎn)。

69、Discrete, annular, scaly, erythematous patches and plaques at photo-exposed areas are typical cutaneous lesions of neonatal lupus erythematosus. ─── 它是一種可以影響到胎兒全身許多器官及系統(tǒng)的疾病。

70、Downhole annular pressure is a key parameter.Conventional pressure loss calculation method is not applicable to a slin - hole. ─── 井底環(huán)空壓力是小井眼鉆井的關(guān)鍵參數(shù),通常的壓力降計(jì)算方法對(duì)小井眼不適用。

71、The experimental result shows that the KSOM method can cluster the data with non-spherical shapes such as annular shape, and the cluster precision can reach 99.8864. ─── 實(shí)驗(yàn)結(jié)果表明,核自組織映射聚類(lèi)對(duì)于非橢圓型的類(lèi)分布數(shù)據(jù),如環(huán)形數(shù)據(jù),聚類(lèi)正確率也能夠達(dá)到99.8864%。

72、The longest duration of the annularity on China's territory would be 8 minutes and 17 seconds in Ruili, Yunan Province, Cheng said. ─── 程卓稱(chēng)中國(guó)本土最長(zhǎng)的日環(huán)食將在云南省瑞利發(fā)生,時(shí)長(zhǎng)8分17秒。

73、We concluded that annular syphilid is not uncommon in Taiwan. ─── 我們的結(jié)論是環(huán)狀梅器在臺(tái)灣并不罕見(jiàn)。

74、Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits. ─── 摘要對(duì)垂直同心環(huán)形管內(nèi)上升氣液團(tuán)狀流向環(huán)狀流的轉(zhuǎn)換進(jìn)行了研究。

75、The flow field in the annular gap of a rotary tubular membrane separator is of great importance for its separating mechanism. ─── 了解旋轉(zhuǎn)管式膜分離器內(nèi)的流體流動(dòng)對(duì)于了解其分離機(jī)理甚為重要。

76、Abstract The test loop contains many annular pipelines, compactly arranged with high working temperature. ─── 摘要 該回路有多個(gè)環(huán)形管系、布置緊湊、運(yùn)行溫度高。

77、Hypanthium obconic, campanulate, or cyathiform, caducous at fruiting time, only annular base remained. ─── 托杯倒圓錐形,鐘狀,或者杯狀,早落的在果期的時(shí)間,只是環(huán)形的基礎(chǔ)剩下。

78、Introduce the massive concrete construction technique and experience in annular beam of Nantong gymnasium meeting and exhibiting center. ─── 介紹了南通市體育會(huì)展中心體育場(chǎng)環(huán)梁大體積混凝土的施工技術(shù)和經(jīng)驗(yàn)。

79、ZT series of rotating flat roof mainly consist of an annular rotating flat roof, a flat roof supporting system and 2 sets of driving facilities. ─── ZT型系列旋轉(zhuǎn)平臺(tái)的結(jié)構(gòu)是由環(huán)形旋轉(zhuǎn)平臺(tái)、平臺(tái)支承系統(tǒng)和兩套驅(qū)動(dòng)機(jī)構(gòu)等主要部分組成。

80、Annular syphilid is an uncommon presentation of secondary syphilis, previously seen almost exclusively in black. ─── 摘要環(huán)狀梅毒是二型梅毒的皮膚表現(xiàn)中較少見(jiàn)到的。以前的文獻(xiàn)記載深的黑人出現(xiàn)的比例較高。

81、HSS-E annular cutter with weldon shank, 50mm D.O.C. ─── 雙削平柄系列超硬高速鋼孔鉆,切削深度50毫米.

82、The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging. ─── 實(shí)驗(yàn)結(jié)果表明,在不同組合和激勵(lì)條件下,圓弧陣具有聲波測(cè)并的單極子、偶極子和四極子聲源的輻射特征。

83、On the basis of concentric annular fluctUation pressure model, approximate solution of eccentric annular was soluted. ─── 在建立同心環(huán)空波動(dòng)壓力的精確模式基礎(chǔ)上,求解了偏心環(huán)空穩(wěn)態(tài)波動(dòng)壓力的近似解。

84、Computation of eccentric annular flowing on Bingham-fluid in pipe is approximate in many literatures and is not of universality. ─── 在調(diào)研了大量關(guān)于賓漢流體偏心環(huán)狀管流的文獻(xiàn)之后,發(fā)現(xiàn)大都是近似計(jì)算而不具有普適性。

85、The characterization of gas-solid flowing in the annular stripper and packing stripper were introduced, and the reason they were prior to baffles stripper was given. ─── 敘述了氣固兩相在后兩種汽提器內(nèi)的流動(dòng)特點(diǎn),并指明了汽提效率優(yōu)于檔板汽提器的原因。

86、Some annular oil well pipes of PetroChina Changqing Oil Field Company suffered from severe corrosion. ─── 中國(guó)石油長(zhǎng)慶油田分公司部分油井管柱遭受?chē)?yán)重的內(nèi)腐蝕。

87、Design and exploitation of pipe plate fundus bore annularity groove machining equipment for aluminum expand connect pipe bundle condenser ─── 鋁合金列管冷凝器脹接管板底孔環(huán)形溝槽加工裝置的設(shè)計(jì)開(kāi)發(fā)

88、This paper introduces the circumstances of the debugging and design for annular tempering furnace in the production line of the wheel. ─── 介紹了車(chē)輪生產(chǎn)線(xiàn)上環(huán)型回火爐的設(shè)計(jì)和調(diào)試運(yùn)行情況,推出了大型環(huán)形回火爐新?tīng)t型。

89、The annular flume, which is an ideal instrument to study fine sediment, is restricted by the technology of sediment measurement. ─── 摘要環(huán)形水槽是研究細(xì)顆粒泥沙的理想裝置,但測(cè)沙技術(shù)的相對(duì)滯后極大地制約了環(huán)形水槽的使用。