介绍了荫营煤矿30 2 0 1工作面瓦斯突出的预兆，并分析了其成因，同时提出了预防瓦斯突出的具体措施。
The indication of gas burst in 30201 face at Yinying mine is introduced, its cause is analysed, and the secrete measures to prevent gas burst are put foreword.
介绍了荫营煤矿30 2 0 1工作面瓦斯突出的预兆，并分析了其成因，同时提出了预防瓦斯突出的具体措施。
The indication of gas burst in 30201 face at Yinying mine is introduced, its cause is analysed, and the secrete measures to prevent gas burst are put foreword.
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