polyvinyl plunger聚氯乙烯: polyvinyl chloride; Utryl; G ...冲: powerful; with vim and vigou ...杆: shaft; rod; bar聚乙烯冲杆: polyvinyl plungerpvc聚氯乙烯: pvc (= polyvinyl chloride)下载手机词典可随时随地查词查翻译
