surface drainage system meaning in Chinese

表面排泄系统
地表水系
地面排水系统

Surface drainage system
地面排水系统
Design and construction of surface drainage systems on agricultural lands in humid areas
潮湿区域农田表面排水系统的设计和建造
The damage and mechanism of the two styles are analyzed on emphasis , and some treating methods such as anti - seeping and plugging , the installation of surface drainage system and cliff sheer eaves are also put forward
按水在崖壁上的运移方式将花山岩画的渗水病害分为裂隙渗水和面流水，着重分析了它们各自的危害和机理，提出了防渗堵漏、建立地表排水系统、修建立壁遮挡檐等防治对策。