内部排水系统 meaning in English
internal drainage system
Examples
- The research of pavement subsurface drainage system in the seasonal freezing region
季节性冰冻地区路面结构内部排水系统浅论 - 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。