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Terms for subject Drilling containing 口门 | all forms
ChineseEnglish
井口总控制阀门master gate valve
井口总闸门well head control valve
井口总闸门cellar control gate
井口控制闸门cellar control gate
井架大门开口window opening
井架大门开口V-window opening
关闭井口套管头闸门形成的挤压压力bradenhead squeeze pressure

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