... [movement of hands or feet]∶指举动、动作 [underhand method]∶为了某种目的而暗中进行的活动 [extremity]∶四肢 ...
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underhand cutting and filling method 下向分层充填采矿法
I don't believe in getting what by underhand method.
我认为以不光明的手法获取想要得到的东西是不应该的。
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。
The underhand slice stoping with cemented filling is the most effective mining method for incompetant orebody with complicated mining conditions.
下向分层胶结充填采矿法是矿岩破碎、开采技术条件复杂的难采矿体最有效的采矿方法。
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