This article presents the combined mining technology of horizonal sectional light prop used in steeply inclined short_interval thick coal seams and gains the technical and economic benefits.

文章介绍了新疆乌鲁木齐矿业集团急倾斜近距离厚煤层水平分段轻型支架放顶煤联合开采技术及取得的技术经济效果。

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The technology of crossing over fault, drifting and actual mining method and plan of crossing over fault at combined mining face under complex geology conditions in Jining no.

介绍了济宁二号矿复杂地质条件下综放工作面过断层技术，掘进和回采对断层的处理方法及回采工作面制定过断层方案的步骤。

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This mining technology combined the fully mechanized mining with orthodox working face, and it layoutted irregular form and double unit face, adopted the rotational adjustment mining.

该开采技术在工作面巷道布置上采用机采与普采混合，不规则刀形形状和对拉工作面布置，回采工艺采用了旋转调采等新技术。

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Alcoa is the world leader in the production and management of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling.

FORBES: Alcoa Can't Wait But You Should Before You Buy