Along with the load increasing that ACTS on the coal sample, the burst frequency obviously rise and the burst intension also rise.
随着施加在煤样上的载荷增加，钻孔冲击次数显著增多，冲击强度增大。
Along with the load increasing that ACTS on the coal sample, the burst frequency obviously rise and the burst intension also rise.
随着施加在煤样上的载荷增加，钻孔冲击次数显著增多，冲击强度增大。
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