Problems in research and application process of coal mine foam dust control technique were analyzed.

分析了煤矿泡沫除尘技术研究及应用过程中存在的问题。

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Problems in research and application process of coal mine foam dust control technique were analyzed.

分析了煤矿泡沫除尘技术研究及应用过程中存在的问题。

youdao