This article gives a detailed analysis of the characteristics of conventional surface mining equipment and techniques as well as problems arising from mining in coal seams with difficult conditions.

针对露天煤矿复杂煤层的地质条件，全面分析了传统的露天采矿设备、工艺形式的特点和在复杂煤层开采中存在的问题。

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The committee plans to provide the underground mining industry with industry consensus standards, recommended practices, and technical reports for the design and use of underground mining equipment.

委员会计划为地下采矿工业的地下采矿设备的设计和使用提供业界一致标准、操作规程建议以及技术报告。

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Mining remains, including mining relics, extracted equipment and mining tools, is a specified space area in which the resources have been either extracted or exhausted by human being.

矿业遗迹是矿产已被人类开采利用或已被采空的特定空间地域。包括采矿遗址、开采设备和采矿工具等。

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This has impacted the demand for mining equipment and machinery manufactured by Caterpillar and other mining equipment manufacturers, causing them to lower their earnings forecast over the short-term.

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From medical equipment and helicopters to turbines and mining equipment, these deals support more than 50, 000 jobs in the United States.

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The proposed ERA Mining deal also comes after another proposed large investment in another Hong Kong-listed mining equipment company by Joy Global of Milwaukee earlier this year.

FORBES: Caterpillar Bid Lifts ERA Mining Shares By 21% In Latest HK Takeover