塑料管道 meaning in Chinese

plastic conduit

Plastics pipes and fittings - determination of opacity
塑料管道系统.不透明性测定
Plastics piping system components and related materials
塑料管道系统配件和相关材料
Fittings and joints for fibre reinforced plastic pipes
增强式纤维塑料管道用配件和接头
Application and development of water supply and sewerage pipe line
美国塑料管道发展之道
Plastic piping systems for water supply - polyethylene - pipes
供水用塑料管道系统.聚乙烯.管道

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