test methods of tensile properties for thermoplastic pipes-polyvinyl chloride pipes聚氯乙烯: polyvinyl chloride; Utryl; G ...管材: tubing; skelp; tubular produ ...医用软聚氯乙烯管材: plasticized polyvinyl chloride tubing for medical uses聚氯乙烯管: polyvinyl chloride pipe; polyvinyl chloride tube; pvc hose软聚氯乙烯管: plasticized polyvinyl chloride tubing for elect rical insulation; plasticized polyvinyl chloride tubing for transport of fluids; ppvc pipe下载手机词典可随时随地查词查翻译