词汇	poly vinyl chloride
释义	poly vinyl chloride 聚氯乙烯
随便看	two-stage biofilter two-stage biological aerated filter two-stagebiological contact oxidation two-stage biological contact oxidation two-stage biological contact oxidation process two-stage bleaching two-stage blow mo twostage blow molding two stage blow molding twostage blow moulding two stage blow moulding two-stage blow moulding two-stage blow mo u lding two stage braking two stage braking, two period braking two-stage budgeting procedure two-stage buffer structure two stage building machine two stage burner two-stage by-pass system two-stage capturing method two-stage carbonization two-stage carburetor two-stage cascade two-stage cascade generator