短語詞組短語diversion n channel 導流明渠diversion open channel 導流明渠flow diversion of channel 河道分流construction diversion open channel 施工導流明渠diversion water channel 引水渠道Water diversion main channel 引水干渠water diversion channel 分水槽long water diversion channel 長引水渠道open diversion channel 導流明渠 返回 diversion channel