查询词典 valves

This means that astronauts Silent operating valves for air and gas pipeline systems will now again be able to rely on the machine for their daily needs, after numerous delays and glitches made the recycler the laughing stock of the entire world, getting widespread attention in the press and on the Internet.

这意味着，宇航员现在又可以在计算机上依靠他们的日常需要，经过无数次的拖延和故障使回收的整个世界的笑柄，让在媒体广泛关注，并在互联网上。

Pressure control valve with pressure reducing valve, safety valve and the sequence of three kinds of valves.

压力控制阀有减压阀、安全阀和顺序阀三种。

This valve can REDUCING VALVES also be used to double-pump high-low voltage circuits.

这种阀也可以用于双泵高低压回路。

Exercises judgment in using machining skills to refurbish used valves.

利用机械技术判断和翻新用过的阀门。

Results Out of 910 children, 495 had evidence of regurgitation in one or more valves, with a prevalence of 54.4%.

结果 495名有一组或一组以上的心脏瓣膜返流，发生率为54.4%。

The bovine pericardial valves usually do not need anticoagulant therapy after implantation, but they are progessively failured in the heart and require reimplantation 5-10 years after their initial implantation.

引起牛心包瓣原发性损坏的生理学和病理学因素与机械学因素同等重要。从我院再次手术中收集到的22只失效瓣膜来看，在瓣架尖端区和侧边区的损坏发生率分别占30.3％和36％，撕裂、磨损和钙化的发生率分别占25.8％、18％和31.6％。

The aim of this study was to generate decellularized heart valves with an intact ultra-structure and to repopulate these with endothelial cells under simulated physiological conditions.

本研究的目的是产生一个完整的超结构，并重新填充与内皮细胞在模拟生理条件脱细胞，这些心脏瓣膜的目标。

Valves requiring processing in the Clean Room should first be assembled prior to cleaning, subjected to cracking and reseat pressure, and flow tested in the flow outside the clean environment.

要求在绝对无尘室处理的阀门首先必须在清洗前进行组装，经过裂化及复位施压，然后在清洁环境下的流体中作流动测试。

The functions of portable data recorder for adjusting test of safety valves are introduced, the testing data are collected, treated and typed in time, and then the sampling differentiation conditions of safety valve set and reseat pressures are discussed, the optimum programm is determined.

介绍便携式安全阀调整试验用数据记录仪的功能，对试验数据进行实时采集、处理和打印试验记录等，并对安全阀起跳压力和回座压力采样的判别条件进行了讨论，确定了最佳方案。

For most of these valves, a restriction is necessary to produce the required pressure control.

对于大多数的这些阀门、限制是必要的生产要求的压力控制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。