coal conveying system in coal
运煤系统 coal conveying system in coal ; coal haulage system ; coal coveyoring system ; coal conveying system 运煤敞车 coal hopper cars .
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coal conveying system in coal
煤炭输送系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In this article, the author probes into Chinese present coal energy situation, production, and conveying method of coal so that to affirm that using self-moving system can greatly improve coal output.
对中国目前煤炭能源状况、生产、运输方式进行了探讨，从而肯定了利用自移系统极大提高煤炭产量的模式。
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