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。
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