main drainage channel 主要集水区排水道 ; 主排水渠
main drainage pipeline 主排水管道
main drainage ditch 总排水沟
Main Drainage Curve 主要排出曲线
main drainage pump 主排水泵
Main drainage system 主排水系统
main drainage equipment 主排水设备
Pump water spring, the rural life of the main drainage and irrigation machinery summer.
水泵是农村生活用水和春种夏播的主要排灌机械。
The main drainage channel for yellow sand to the sea port, and some flooding from the Sheyang River into the sea.
主要排水入海河道为黄沙港，另有部分洪水从射阳河下排入海。
In this paper the application of high pressure water jet technology in coal mine main drainage pipeline is discussed briefly.
简要探讨了高压水射流清洗技术在煤矿主排水管道清洗中的应用。
应用推荐