self-sealing oil seal 中文意思是什麼
self-sealing oil seal
解釋
自緊油檔-
Petroleum, petrochemical and natural gas industries - lubrication, shaft - sealing and control - oil systems and auxiliaries - self - acting gas seal support systems
石油石化和天然氣工業.潤滑油封控油系統和輔助裝置.自動氣封支撐系統 -
Petroleum, petrochemical and natural gas industries - lubrification, shaft - sealing and control - oil systems and auxiliaries - part 4 : self - acting gas seal support systems
石油石油化學和天然氣工業.潤滑油封控油系統和輔助裝置.第4部分:自動氣封支撐系統
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