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1·The Q4000 will then have control over the valves that connect the choke and kill lines to the well proper.

那时Q 4000会控制连接阻塞管和压井管到油井的真空阀。

2·The explosive jar is used to loosen a stuck choke or production control in the tubing.

爆炸震击器被用来松开油管中的被卡的节流器或产量控制装置。

3·The lack of environmental control has become the choke point for year-round cultivation of edible fungi.

环境控制问题已成为制约食用菌设施反季节栽培的瓶颈。

4·It is a long time since the traditional mechanismic speed governing system has been used for control the speed of turbine. It has so much defects as choke, leakage, wide velocity perturbation.

长期以来，透平机一直使用传统的机械调速系统来控制其转速，卡涩、液压系统渗漏及转速波动范围大等均属其不可克服的缺陷。

5·Due to the complication and variety in the hole especially the time that is needed to transmit pressure it is very inconvenient to use choke valve to control standpipe pressure.

但井下情况复杂多变，尤其是压力传递需要时间，给调节节流阀控制立压带来不便。

6·Learn relevant mechanism knowledge and master plenty of speculative knowledge, which will help to analyze the mechanism and provide strong theoretical basis for the failure cause of control choke.

学习相关机理研究，掌握大量的理论知识，指导论文的机理分析，为找出油嘴的失效原因提供有力的理论依据。

7·Tube of shape Can transfer throttle chief be used for Choke and Kill Maniflod , Control oil gas wellhead In fluid pressure use.

筒形可调节流阀主要用于节流压井管汇，控制井内流体套压用。