将液压控制管汇压力减小到5200千帕。
威尔士先生称，一旦控制板已经重新被安装在防喷阀上，管汇连接在Q 4000后，就要实施灭顶法了。
Mr Wells says that once the control pod has been reinstalled on the blowout preventer and the manifold is attached to the Q4000, the top kill could start.
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。
Tube of shape Can transfer throttle chief be used for Choke and Kill Maniflod , Control oil gas wellhead In fluid pressure use.
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