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Terms for subject Oil / petroleum containing 推杆 | all forms | in specified order only
ChineseEnglish
岩心推取杆core plunger
推岩心杆core extractor
推杆tappet
推靠臂连杆arm linkage
推顶杆ejector pin
推顶杆板ejector plate
浇道推出杆sprue puller