hydraulic filling method的意思|示意

Hydraulic fill dam is a fast and economic method for dam building, but the construction of filling is confined by seasons owing to long freezing period of cold zone at high latitude.

水坠筑坝是我国创造的一种快速、经济筑坝方法，但高寒地区冰冻期长，冲填施工受到季节限制。

This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine.

简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。