... annular pressure chamber环形压力箱 annular preventer环形防喷器 annular producer环形发生炉 ...
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annular blowout preventer 套筒式环空防喷器 ; 环形防喷器 ; 环形气室
primary annular preventer 主环形防喷器
annular type preventer 万能防喷器
annular r preventer 环形防喷器
annular r blowout preventer 套筒式环空防喷器
The annular BOP is the important assembly of the blowout preventer control system.
环形防喷器是井口防喷控制装置的重要组成部件之一。
Close the annular blowout preventer as the well pressure is relatively low and force oil pipes and couplings to pass through rubber core of the annular blowout preventer.
井压较低时，关闭环型防喷器，使油管和接箍强行通过环型防喷器胶芯。
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