Elk Creek Seismic Waveforms 2012 (Part 7 of 20)
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Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s...
冲击地压（Coal bursts，即地下煤矿中具有破坏性的矿震事件）对煤矿生产作业及井下矿工构成严重威胁。科罗拉多州的地下煤矿……
