无压排水的英文

non-pressure drainage

• 无:    not have; there is ...
• 压:    press; push down; ...
• 排水:    drain off water; d ...

例句与用法

1. Plastics piping systems for renovation of underground non - pressure drainage and sewerage networks - part 2 : lining with continuous pipes
   地下无压排水和污水管线翻新用塑料管道系统.第2部分:连接管道用内衬