Process Water and Waste Piping 工艺用水及废水管路
Waste piping layout 废气管线
Sanitary Waste and Vent Piping 生活废水及其排泄管路
Plastics piping systems. Thermoplastics piping systems for soil and waste discharge. Test method for airtightness of joints.
塑料管道系统。土壤和废料排出用热塑管道系统。粘接处密封度试验方法。
Carry out regular leakage tests on concealed piping and check for overflowing tanks, waste, worn tap washers and other defects in the water supply system.
定期检查隐蔽水管，以防漏损，检查内部供水系统，修理有毛病的水箱、水头及其他的供水设施。
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