围堰堰外引渠 Guide Ditch ahead of Cofferdam

船闸引渠 lock approach channel

引水渠 flume ; approach channel ; aqueduct ; channel of approach

北引渠道 North Conveyance Canal

引水渠系统 headrace system

引水渠道 water diversion canal

长引水渠道 long water diversion channel

引水渠系 aqueduct system

奎诺斯引水渠系统 Qeynos Catacombs

洛杉矶引水渠 Los Angeles Aqueduct