If valves are periodically inspected and preventive maintenance done, the valve will last longer and operate better.
如果对阀门进行定期检查，并且进行预防性维护，则阀门使用寿命会更长，操作性能也会更好。
But if one of the pumps fails, they may still have to make a call: not all the valves can be remotely controlled.
但如果有一台水泵出现了故障，他们可能还是要拨打电话，因为有些阀门还没有实现远距遥控。
Valves in the veins prevent blood from flowing backward toward the head, but if the valves don't close sufficiently, blood could seep back upward.
静脉中的瓣膜阻止血液倒流到脑部，但是如果瓣膜不足，血液会就会再次流到大脑。
BP completely shut the valves on the cap late Thursday as part of a 48-hour test to see if the cap can fully contain the oil leaking from the well.
英国石油公司星期四晚间完全关闭了井盖上的阀门，这是检查顶盖是否能够彻底抑制油井漏油的48小时测试的一部分。
Properly designed landscape irrigation systems use isolation valves to protect the rest of your irrigation system if a single component or sprinkler fails.
设计适当的景观灌溉系统使用的隔离阀，以保护您的灌溉系统的其余部分，如果一个组件或喷洒失败。
If the valves do not open and close at the right time or at all, air cannot get in and exhaust cannot get out, so the engine cannot run.
如阀门打开或关闭的时间不对或根本打不开或关不住，空气无法进入，废气无法排出，因此发动机不运转。
If two or more containers are manifolded, the vent valves should also be connected together to ensure pressure equilibration between all the containers.
如果把两个或更多容器并联在一起，排气阀也应该连接在一起，以确保所有容器之间的压力平衡。
In the selection of imported valves, if the medium containing fibers, containing impurities, containing particles should be used in the V-belt cut off valve.
在选用进口调节阀时，如果介质为含纤维、含杂质、含颗粒时，应选用V型带切断的调节阀。
If the valves do not close fully the engine will not develop full power.
如果阀门不完全关闭，发动机将不能发挥全部动力。
To check the pipes, valves, connections, such as whether there is leakage of hose, if any, should be promptly repaired.
要检查各管道、阀门、连接胶管等处有无渗漏现象，如有则应及时修复。
We were just trying to get her away because we didn't know if they had shut the valves off to the pumps or anything.
我们努力想把她救出来，因为我们不知道(工作人员)是否关闭了加油站的阀门。
If the valves do not close fully the engine will not develop full power.
如果气门关闭不严，发动机就不能发挥出全部的功率。
It's almost like miles on a tyre, eventually, if you live long enough, you are going to have one of your valves is going to get some wear and tear.
这就像使用了很久的轮胎，如果你活的时间足够长，你的瓣膜最终就会像轮胎一样出现磨损。
If adding numeric-controlled valves, water designs can change in thousand of ways in both running and swinging styles.
增加数控阀门，水型更是千变万化，既能跑动又是摇动。
For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive.
对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150mbar以下就可以了；
In hydraulic transmission system, the pump's flow pulse frequency and the pipes base frequency affects each other, if the valves shut suddenly, resonance oscillation may take place.
液压系统中阀门(换向阀等)突然关闭时，液压泵的流量脉动频率和管道的基本频率相互作用，可能发生谐振。
Will in-line temperature sensors open diverter valves if unusual temperatures are detected?
当探测到不正常温度时，在线温度感应器是否能打开换向器阀？
The bonnet and packing box of low temperature service instrument in-line valves shall be extended bonnet type or heat traced, if necessary, to avoid freezing of valve stems.
低温设备仪表在线阀门的阀帽和填料箱应为加长阀帽型或伴热型(必要时)，从而避免阀杆结冰。
Notes: 1., Asfor valves in pound unit, connection unit "f" is expressed with "w" if butt weld adopted; "f" expressed with "r" if metal ring adopted.
说明：1、对磅级制阀门如采用对接焊连接，连接单元“F”用“W”表示。如采用金属环连接“F”用“R”表示。
Notes: 1., Asfor valves in pound unit, connection unit "f" is expressed with "w" if butt weld adopted; "f" expressed with "r" if metal ring adopted.
说明：1、对磅级制阀门如采用对接焊连接，连接单元“F”用“W”表示。如采用金属环连接“F”用“R”表示。
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