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| 支护开采法在金属矿山中,一边开采，一边对顶板或侧帮加以人工支撑的开采方法。有如下几种方式: 1. 横向支护开采法〈stulled stoping〉。 2. 方框支护开采法〈square set stoping〉。 3. 分层充填开采法〈cut and fill method； filled stopes〉 | |||
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