coal mine 隐藏摘要  |
 | 煤矿 |
| coal mill 磨煤机 coal mine 煤矿 coal mine fire 矿井火灾 | |
| http://www.cwpcf.com/viewnews.asp?id=3861 - 基于130个网页 |
| 煤矿矿井 |
| coal field 煤田 coal mine 煤矿矿井 colliery 煤矿 | |
| http://202.193.162.13/englishonline/zhxl/chxx/words_classified/scitech/industryenergy/mining.asp - 基于8个网页 |
| 矿井 |
| [c] (coal mine) 矿井 2. | |
| http://www.nciku.com/search/en/detail/pit/1710059 - 基于6个网页 |
| 煤礦 |
| 煤坑氣 damp 煤礦 coal mine 煤類 coal types | |
| http://www.szdmz.com/fanyi/20080617/443834.html - 基于4个网页 |
| 相关词条 |
coal-mine gas  |
| coal-mine fire |
| coal mine fire |
| pit . coal mine |