coal mine water disasters例句

coal mine water disasters的用法和样例
  1. The emergency rescue counterplan includes the accident prevention before the water disaster happening and the accident emergency rescue after the water disaster happening.
    煤矿水害应急救援预案应包括水害发生前的事故预防和水害发生后的事故抢险救援两大部分。
coal mine water disasters怎么读 coal mine water disasters是什么意思
煤矿水害
coal mine water disasters的相关资料
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤coal grade煤质
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