英语词汇“coal seam mining”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal seam mining
释义	coal seam mining 基本例句煤层开采 The influence factor of spontaneous ignition oncoal seam miningand protective measures in Yangquan mine No.3 shaft are approached.分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
随便看	trainer theorem trainer-training trainer-trainings Trainer Unique Equipment trainer wheels trainess trainest train.Etc traineth train examination train examination and repair point train examiner train exchange Train execution plan train expansion train failure rescue train fare train fares Train fares are rising again train-ferey train ferred-electron device trainferry train ferry train fine train fire