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Terms for subject Chemistry containing 阀门 | all forms | in specified order only
ChineseEnglish
卸料阀门discharge gate
手动阀门hand valve
暗杆阀门non-rising-stem valve
空气逆吹阀门air reversal valve
给料输送管上的阀门discharge gate
装卸阀门charge and discharge valve
阀门定位器positioner