用“canals”造句大全，canals造句
Butwhatyouhavearethesecanals.Largetownsandextensiveirrigationcanalswereabandoned.Theybuildroads,houses,Bridges,ships,pipelines,andcanals.Theybuildroads,houses,bridges,shellops,pipelines,andcanals.Shou...
用“irrigation canals”造句大全，irrigation canals造句
Waterischannelledthroughaseriesofirrigationcanals.Liningandcoveringirrigationcanalstoavoidgroundseepageandevaporationcouldsavehuge...[More].Theyoungruleralsopresidedovercreationofanadvancedagricultura...