rigid polyvinyl chloride硬: hard; stiff; tough聚氯: polychlorostyrene乙: the second of the ten Heaven ...稀: rare; scarce; uncommon硬聚氯乙烯: hard polyvinyl chloride; rigid polyvinyl chloride; rigid pvc下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:硬聚氯乙稀，即可在微信中查询翻译
