... bench hole 梯段的下向垂直炮眼 bench mining 阶梯式开采 bench preparation 阶段预备 ...
基于186个网页-相关网页
... benchedquarry阶段采石场 benching阶梯式开采 benchingbank阶段 ...
基于176个网页-相关网页
... working height 工祖高度 working in benches 阶梯式开采 working level 工桩平 ...
基于168个网页-相关网页
... bench stoping 阶梯式开采 bench 阶段 bench 拉伸机;工专 ...
基于166个网页-相关网页
短语
分段阶梯式开采
[矿业]
sublevel bench stoping
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working in benches
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bench mining
bench stoping
benching
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