drainage system meaning in English

排水系统；【地质学；地理学】水系。

During the pleistocene ice age, the ancient drainage systems were almost completely rearranged by glaciation .
在更新世冰期，古水系常被冰川作用完全改造。
Water drainage system design at taiping interchange
太平互通式立交排水系统设计
Air admittance valves for plumbing drainage systems
污水管道系统用气体导入阀
Road widening and re - construction of drainage system
路面扩阔及雨水渠道系统重建工程
Application of symphonic roof drainage system
虹吸式屋面雨水排水系统的应用

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