preventer

基本解释

Outside the riser are several hoses and smaller pipes for recirculating the synthetic mud and controlling the blowout preventer.
在立管外面是一些软管和小管，用于回收合成泥浆和控制防喷器。
Various sizes of caisson will be built, including one 15 metres (50 feet) or so in diameter, large enough to fit over a whole blowout preventer.
此外还将建造大小各异的沉箱，包括一个直径约为15米（50英尺）、足以覆盖整个防喷装置的沉箱。
As the first diagram shows, the main component would be a containment assembly that could fit on top of a damaged blowout preventer, such as the one from which the Macondo oil poured forth.
如第一张图解所示，主要部件是能安装在一个受损的防喷器顶端的一个封存装置，例如马贡多井的原油就是通过防喷器涌出。

The gating item is the 25, 000 lb. blow-out preventer which is set to arrive in November.
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Blow Out Preventer that is being required to control the pressures in the well.
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Blow Out Preventer (BOP) that must be employed to complete and then test the well.
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