• Methods The animal's model of injury caused by gas explosion was made in imitating coalpit tunnel.

    方法建立模拟煤矿井下瓦斯爆炸动物模型

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  • Coal mining in remote mountainous district mainly on drift of coalpit, and its influence on surface deformation has already been attention.

    偏远山区矿山开采多以小窑掘进为主地表变形影响引起人们的重视。

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  • Coal mining in remote mountainous district mainly on drift of coalpit, and its influence on surface deformation has already been attention.

    偏远山区矿山开采多以小窑掘进为主地表变形影响引起人们的重视。

    youdao

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