short-hole shrinkage stoping
short-hole shrinkage stoping
短孔收缩回采
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Based on the existing conditions, Pindu Municipal Gold Mine preferred short-hole shrinkage stoping without sill, intermediate and crown pillar to other mining methods and obtained excellent result.
平度市金矿利用现有的条件，因地制宜采用“三无”即无底、间、顶矿柱浅扎留矿法，收到了好效果。
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