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 feasibility of adopting steep slope mining at main quarry is discussed against stripping ratio is high in flood peak period, and the preliminary scheme is put forward.

针对主矿采场正值剥离洪峰期剥采比较高的问题，对主矿采场实施陡帮开采的可行性进行论述，并且对陡帮开采方案提出初步设想。

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Mining scheduling system model of cement material quarry is mainly to solve drilling - blasting technical economic parameters of different platforms.

水泥原料矿山开采调度系统主要解决不同平台开采的穿孔爆破技术经济参数优化问题。

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Currently, Caterpillar is continuing to expand in the country, particularly in the mining and quarry sectors.

FORBES: China Will Drive Caterpillar's Long-Term Growth Despite Recent Weakness

This facility will manufacture CAT986 large wheel loaders for mining and quarry applications.

FORBES: China Will Drive Caterpillar's Long-Term Growth Despite Recent Weakness

"The problems are caused by water, mining and a quarry, and there has also been open casting on the other time at one time... but none of these have been resolved by putting draining on the mountain, " he said.

BBC: Ystalyfera landslide