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。

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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。

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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。

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

ECONOMIST: The Gulf oil spill

But the Philippines in particular faces a difficult few months trying to control the inflation that might follow devaluation without raising interest rates so high that they choke off growth.

ECONOMIST: South-East Asian currencies