冷热水用 meaning in Chinese

pp-r

Polypropylene piping systems for hot and cold water installations - part 2 : pipes
冷热水用聚丙烯管道系统第2部分:管材
Polypropylene piping systems for hot and cold water installations - part 1 : general
冷热水用聚丙烯管道系统第1部分:总则
Polybutylene piping systems for hot and cold water installations - part 2 : pipes
冷热水用聚丁烯pb管道系统第2部分：管材
Polypropylene piping systems for hot and cold water installations - part 3 : fittings
冷热水用聚丙烯管道系统第3部分:管件
Polybutylene piping systems for hot and cold water installations - part 1 : general
冷热水用聚丁烯pb管道系统第1部分：总则

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