preventer的英语例句
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We do not use this valve to control the blowout preventer.
我们不用这个凡尔控制防喷器.
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Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.
防回流阀采用耐腐蚀的300系列不锈钢制造.
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Ram - type blowout preventer is important equipment used in oil drilling operation.
闸板防喷器是石油钻井过程中的一种重要设备.
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