查询词典 annular tubes

In operation, a annular cutting knife moves forward to cut off the knife anvil (4),and when the annular cutting knife moves backward, it carries off the inner ring of the knife anvil (4), the elastic locking piece (5) is springed back and replaced.

手术时，环形切刀向前运动切断刀砧、后退时把刀砧内圈带走，弹性锁片发生回弹复位，在各种辅助机构的配合下，钉砧环便可以绕着钉砧轴发生翻转。

The water switches in induction voltage adder are designed. The electrode of output switch is plate to annular and the electrode of peaking switch is annular.

设计了应用于感应电压叠加器中的水介质主开关与峰化开关，主开关的电极结构为&平板-环型&，峰化开关的电极结构为&环型&。

The test setup for both MR valves based on dSPACE is established and the testing results show that the pressure drop induced by the MR valve with both annular and radial damping gaps is larger than that by the MR valve with annular damping gaps under the same condition.

通过 dSPACE 的数据采集系统，建立了测试本文所设计的两种磁流变阀的液压执行器。

The calculation and experiment results show that the maximum lifting pressure performance decreases with the increase in throat diameter of channel of variable section, water flux of low pressure and pressure ratio of steam nozzle, and has its minimum value with water nozzle annular space. The coefficient of maximum lifting pressure performance may be as high as 26. In the design of steam injector, the larger pressure ratio of steam nozzle and the smaller water nozzle annular space are selected, the higher lifting pressure performance could be obtained.

计算及研究表明：极限升压能力随变截面混合腔喉部直径、被升压的低压水流量和蒸汽喷嘴压比增加而降低，随环形水喷嘴间隙的变化出现了最小值；计算得出变截面超音速汽液两相流装置的极限升压能力可达26；在设计升压装置时应尽可能选取较大的蒸汽喷嘴压比和较小的环形水喷嘴间隙。

The main feature of the annular preventer (Fig. 2), sometimescalled s'universal" or "bag''-type BOP, is the capability to close and seal on almost any size tools in the borehole-drillpipe, tooljoints, drill collars, kellys, easing, etc.-within most of its range, It also has the capability to seal off the open hole, The heart of the annular preventer is the sealing element Fig.

环型BOP's 环型防护设备的The主要特点(图2)， sometimescalled s'universal&或者&bag''-type BOP，是关闭的能力，并且在几乎任何大小工具的封印在钻孔钻杆、钻具接头、钻环， kellys，缓和等等-在大多数它的范围之内，它也有封锁的能力开放孔，环型防护设备的心脏是密封件(图3)。

The practice shows that the formwork system, which is composed of the annular formwork, radicalized steel tubes and movable bearing plates, has the advantages of reasonable design, safety and reliability, simple structure and convenient construction.

实践证明，这种由环状模板、辐射状钢管和可调支托组成的模板体系设计合理、安全可靠、结构简洁、施工便利，配以先进的施工方法和严格的质量控制，可以实现高精度的结构尺寸控制，提高工程质量。

By direct numerical simulation of Navier-Stokes equations we investigate the three-dimensional evolution of a mixing layer, the three-dimensional merger of two parallel vortex tubes and reconnection of two antiparallel vortex tubes in the thesis.

本文用拟谱方法求解Navier-Stokes方程，对小扰动下平面混合层随时间的演化、同向平行涡管的三维合并和反向平行涡管的重联进行了直接数值模拟。

Benda Plastic Manufacturer of Nanhai,Foshan City,Guangdong Province,established in 1990 and later moved to Nanhai district,is a large enterprise specializhing in manfacture of plastic tubes,rods,ball valves and pipings,Our main end products include PTFE,PVC,PP,PE,Nylon and ABS tubes,valves and pipings and rods in more than 1000 types.

广东省佛山市南海奔达塑胶制品厂，创办于1990年（即原佛山市奔达塑胶有限公司，现迁往南海区）是一家专业生产塑胶管、棒材、阀门、管件的大型企业。主要产品材料有聚四氟乙烯、聚氯乙烯、聚丙烯、聚乙烯、尼龙、ABS等，品种规格有塑胶管、棒材、阀门、管件等几大系列，一千多个品种。

The tubes' buddle of the traditional heat exchangers is composed of tubes with same diameter, which influences its efficiency at small Reynolds number because of the big fluctuation of the heat transfer coefficient led by the flux fluctuation.

传统的换热器都是采用同径管组成换热管束，因而，在流量波动的工况下，管程传热系数波动较大，对换热器的正常运行有影响。

When pollen germinates on a stigma the growing pollen tubes deposit callose as small plugs, but if the plant is self-incompatible, tubes from its own pollen will deposit more callose, which then blocks the tube, preventing fertilization.

当花粉在柱头上萌发时，生长的花粉管产生少量胼胝质，但如果该植物是自交不亲和的，那么花粉管将产生比较多的胼胝质，可以阻塞花粉管来阻止受精。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。