碧湾渠水利枢纽
biwanqu water control project
长引水渠道
long water diversion channel
大型人工输水渠道
large scale artificial channel
大型输水渠道
large-scale water conveyance canal
large-scale water delivery channel
地面截流污水渠
land-based interceptor sewer
高地下水渠道
Channel under High Groundwater Level