单词lateral canal
un.: 旁支运河;侧向渠道网络: 斗渠;斗泄渠;支渠
侧向渠道
旁支运河
Hydraulic Sand Sluicing in Lateral Canal at the Downstream of Xigu Waterworks in Lanzhou
兰州西固水厂下游斗槽水力冲沙条件的论证