结果表明：机械采样可以代替人工采样。
The result is that mechanical campling can replace hand campling.
对发电厂入厂煤人工采样和机械采样的化验结果进行了对比。
The comparison of manual sampling and mechanical sampling of coal has been carried out.
分析探讨了火力发电厂入厂煤机械采样机使用中出现的问题，并给出了解决措施。
The problems of coal-sampling machinery of coal as received in coal-fired power plant are discussed, and the solving methods are put forward.
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