... 排污管;排水管;泄水管：drain pipe 排污管;排水管，泄水管：drainage piping 排污管，排水管，泄水管：drainage pipe ...
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... 排污管;排水管;泄水管：drain pipe 排污管;排水管，泄水管：drainage piping 排污管，排水管，泄水管：drainage pipe ...
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... 污水疏水管系 drainage piping 疏水管接头 drain connection 疏水管路水封 condensatedrainloop ...
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drainage-piping 排水管道系统
Storm Drainage Piping 雨水排泄管路
drainage piping project 排水管道工程
plastic drainage piping 塑料排水管道
municipal drainage piping 市政排水管道
municipal drainage piping project 市政排水管道工程
water supply and drainage piping 给排水管线
Drainage piping systems product brief 排水管道系统产品简介
Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
供、排水系统：从车间外墙外1米处的接点至用水设备的供水、排水管道。
Plastics piping systems for underground drainage and sewerage under pressure. glass - reinforced thermosetting plastics based on unsaturated polyester resin. part 3: fittings.
承压的地下排水和排污工程用塑料管道系统。基于不饱和聚酯树脂的玻璃纤维增强式热固塑料制品。第3部分：配件。
Plastics piping systems for buried and above-ground drainage and sewerage under pressure - Unplasticized poly (vinyl chloride) (PVC-U) - Part 1: specifications for piping components and the system.
地下和地上排水和排污用塑料压力管道系统。未增塑聚氯乙烯(PVC - U)。第1部分：管道件和系统规范。
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