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Terms for subject Oil / petroleum containing 刮 塞 | all forms | in specified order only
ChineseEnglish
上刮胶塞top wiper plug
刮塞wiper plug
刮蜡塞soluble plug
复式油管刮塞double-type tubing wiper plug
常规注水泥刮塞conventional cementing wiper plugs
锁式刮拭塞latch-in wiper plug

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