rigid polyvinyl chloride中文,rigid polyvinyl chloride的意思,rigid polyvinyl chloride翻译及用法 2026-10-18 11:53 浏览次数 32 rigid polyvinyl chloride英[ˈridʒid ˌpɔliˈvainil ˈklɔ:raid]美[ˈrɪdʒɪd ˌpɑliˈvaɪnəl ˈklɔrˌaɪd]硬聚氯乙烯