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| Subject | English | Chinese |
| expl. | blasting practice in underground coal mines | 煤矿井下爆破实践 |
| tech. | brown coal underground mine | 褐煤深矿 |
| China, polit. | Convention Concerning the Employment of Women on Underground Work in Mines of All Kinds | 各种矿场井下劳动使用妇女公约 |
| expl. | long-hole blasting in underground mine | 地下矿深孔爆破用深度大于15 long20m,孔径大于90~100mm 的炮孔并用柱状装药所进行的爆破。炮孔直径和深度的大小取决于所采用的凿岩设备、矿体埋藏条件和采矿方法 |
| expl. | underground coal mines blasting practice | 煤矿井下爆破实践 |
| expl. | underground mine | 地下矿山采用地下开采方式开采矿产资源的生产经营单位 |
| China, law | underground mine | 矿井 |
| expl. | vibration effects on underground mines and tunnels | 对地下矿山和隧道的振动影响 |
| China, law | work in underground coal mines | 井下作业 |