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Terms for subject Oil / petroleum containing 密封 面 | all forms | in specified order only
ChineseEnglish
单端面密封mechanical single seal
双端面密封mechanical double seal
密封面packing surface
接合面密封的活接头ground-seat union
端面密封end face seal
端面密封end face sealing
表面密封堵漏face sealing leakage prevention
面密封face seal