coal seam mining
英
美
煤层开采
coal seam mining的用法和样例:
例句
The influence factor of spontaneous ignition on coal seam mining and 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。
coal seam mining的相关资料:
临近单词
coal
coal drop
目录
查词历史
英 汉