ram blowout preventer

基本解释

A ram blowout preventer (BOP) consists of two halves of a cover for the well that are split down the middle.
闸板式防喷器包括沿中间分开的两个半盖。
www.infopetro.com.cn
Variable bore ram-type blowout preventer, the improved type, is capable of sealing drill tools whose sizes are within a certain range, and has advantages of low cost and convenience.
可变径闸板防喷器作为新型的闸板防喷器，能够密封一定范围内多种规格的钻具，具有成本低，使用方便的优点。
Variable bore ram-type blowout preventer, as an improved blowout preventer , is capable of sealing around drill pipes with a range of sizes and has advantages such as low cost and convenience.
可变径闸板防喷器作为新型的闸板防喷器，能够密封一定范围内多种规格的钻具，具有成本低、使用方便等特点。