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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The stability and repeatability of reagent and the working curve slope is proved to be well through experiment.

实验证明试剂和工作曲线的斜率有很好的稳定性和重现性。

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A case study of a working wall slope of a mine is described.

并以某矿工作帮边坡为例进行了分析研究。

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The rig had been working in the Beaufort Sea, off Alaska's North Slope.

CNN: Alaska drilling rig towed to harbor off Kodiak Island

As much as 150, 000 gallons of ultra low sulfur diesel and approximately 12, 000 gallons of other petroleum products are on board the Kulluk, which had been working in the Beaufort Sea, off Alaska's North Slope, until October.

CNN: Shell: Grounded drilling rig sound and fit to be towed