非塑化聚氯乙烯 meaning in Chinese

unplasticised polyvinyl chloride (upvc)

Dtu 60 . 33 - building works - unplasticized polyvinyl chloride piping installations - waste water drainage - technical specifications
Dtu 60 . 33 .建筑工程.非塑化聚氯乙烯管道安装.废水排放管.技术规范
Pvc - u . 1 : , plastics rainwater piping systems for above ground external use - unplasticized poly vinyl chloride - part 1 : specifications for pipes , fittings and the system
地上外部用塑料雨水管道系统.第1部分:非塑化聚氯乙烯