The actual application of the irregular mining method "tree branch form" mining method in the coal pipe is introduced.

介绍了非正规采煤法“树枝状”采煤法在极薄煤层开采中的实际应用；

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Discusses the selection line methods of convey coal pipe of long distance, from the angles of selection line principle, and the basic data to collect, etc.

本文从选线的原则、选线需搜集的基础资料等角度，论述了长距离输煤管道线路的选线方法。

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It all starts in the basement. This line leads from a hatch in the coal room to this pipe system here.

越狱从地下室开始，这条线路是从暖气室的一个出入口通到这个管道系统。

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All the proposals envisage a giant pipe starting with a coal plant, but then collecting carbon dioxide from anyone who will capture it before bringing it out to be buried under the sea bed.

BBC: Carbon dioxide from industry could be buried offshore

Because producing a requisite amount of electricity from gas results in estimate about 50% of the carbon dioxide for the same coal-based electricity, the only way to meet the proposed standard is to capture the outgoing carbon dioxide, pipe it somewhere, and bury it.

FORBES: Guided By Questionable Science, The EPA Seeks To "Necessarily Bankrupt" The People