packoff – phrases

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Terms containing packoff | all forms | exact matches only

Subject	English	Chinese
oil	annular packoff	环形封隔
navig.	downhole wireline packoff	井下电缆密封装置
oil	drillable packoff bushing	可钻封隔衬套
oil	packoff bushing	封隔衬套
oil	packoff busing	密封补心
oil	packoff nipple	密封短节
oil	packoff preventer	低产油井防护设备
oil	packoff preventers	封隔防护设备
oil	packoff sealing area	封隔密封区
oil	packoff shoe	封隔套管鞋
oil	split packoff	拼合式封隔装置
oil	torque-set packoff	扭矩锁定封隔器