废料排出 meaning in Chinese

refuse disposal

Plastics piping systems . thermoplastics piping systems for soil and waste discharge . test method for airtightness of joints
塑料管道系统.污物和废料排出用热塑管道系统.接缝气密性的试验方法
Plastics piping systems . thermoplastics piping systems for soil and waste discharge inside buildings . test method for resistance to elevated temperature cycling
塑料管道系统.建筑物内污物和废料排出用热塑塑料管道系统.抗高温循环的检验方法