packoff – phrases

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Terms for subject Oil / petroleum containing packoff | all forms | exact matches only

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