They spent months of toil on the water conservancy project.他们为这项水利工程辛辛苦苦地干了几个月.Water resources conservancy lands: used for water conservancy and the facilities.一二水利用地: 供水利及其设施使用者.In 1958 he was put in charge of water con...
zoning of agricultural water conservancy农业水利区划In 1958 he was put in charge of water conservancy construction.1958年,领导上让他负责水利建设工程.Water resources conservancy lands: used for water conservancy and the facilities.一二水利用地: 供水...