interior drainage meaning in Chinese
内部排放
内陆水系；内部排水
Examples
- Through setting interior drainage system , water saved in the pavement structure can be eliminated from subgrade and pavement structure , and it does good to improve the pavement performance and prolong the service life of pavement
设置路面结构内部排水系统，能够将积滞在路面结构内的水分迅速地排出路基、路面结构外，有利于改善道路的使用性能，延长路面的使用寿命。