mining with steeper working slope
mining with steeper working slope
工作坡度较大的采矿
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In view of special conditions in quarry the paper takes Gujingxiang side-hill quarry as an example, introducing cutting wall mining method based on mining with steeper working slope.
结合露天采石场的具体情况，以古井祥业石场山坡型露天矿为例，介绍了基于陡帮开采的切壁开采方法。
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