那时Q 4000会控制连接阻塞管和压井管到油井的真空阀。
The Q4000 will then have control over the valves that connect the choke and kill lines to the well proper.
在鼻整形病人中偶见因外鼻阀的原因引起鼻阻塞，特别是在那些鼻尖夹捏畸形修复的病例中。
The external nasal valve is an occasional site of obstruction in rhinoplasty patients, particularly in secondary patients with a pinched alae deformity.
以往的研究表明，鼻阀在鼻阻塞产生中的作用比先前所认识到的要大得多，而鼻中隔可能起的作用却较小。
Previous studies have indicated that the nasal valves contribute much more to obstruction than previously realized and that the septum may play a much smaller overall role.
而当鼻中隔偏曲出现得较为靠前靠下时(即内鼻阀部位)，它可能会成为鼻阻塞出现的原因之一。
When deviation occurs anteriorly and inferiorly (that is, in the area of the internal nasal valve), it is more likely to be a source of obstruction.
分析探讨了阻塞流对电子膨胀阀优化控制的影响，并提出相应的控制改进措施。
Blocking flow effect on optimizing control strategy is investigated and corresponding improving measures are presented.
微软的工程师阻塞的渴望阀芯运营商的优势，以避免这个问题。
Microsoft Engineers take advantage of the blocking eager spool operator to avoid this problem.
微软的工程师阻塞的渴望阀芯运营商的优势，以避免这个问题。
Microsoft Engineers take advantage of the blocking eager spool operator to avoid this problem.
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