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	tree-ring dating method tree ring density tree-ringed tree-ring gray chronologies tree-ring grey degree chronology Tree ring index tree-ring maximum density of spruce Tree ring recognition tree-ring reconstructed precipitation tree-ring residual chronology tree-ring router Trees are communicating with one another Trees are natural air conditioners trees armed with prickles trees around the field trees arrgernent tree saturation tree rings tree-rings tree ring sample tree rings image segmentation tree ring standard chronology tree rings width tree-ring width tree-ring width chronologies