煤层顶板
- n.seam top; clives; cliff
- 网络coal seam roof; roof of coal seam; coal roof
煤层顶板煤层顶板
coal seam roof
煤层对比(coal-seam correlation) (0篇回复) 煤层顶板(coal seam roof) (0篇回复)Single outburst coal-seam ：单一突出煤层 突出 …
cliff
cliff的翻译中文意思-在线英汉词典 ... from Old English 继承用法 cliff n.煤层顶板,煤层夹石 cliff 断崖，(海岸的)峭壁 ...
roof of coal seam
地质专业英语词汇QR ... roof bolting 顶板锚栓支架 roof of coal seam 煤层顶板 roof rock 顶盖岩 ...
coal roof
层间顶煤,roof coal between top and bottom... ... ) coal seam 煤层顶板 ) coal roof 煤层顶板 ) coal seam roof 煤层顶板 ...