coal seam
美英
- na.煤层
- 网络煤层成因;节理煤层;号煤层
coal seam
coal seam
煤层
宜宾学院外国语学院英语写作 » 翻译随想 ... coal residue 煤渣 coal seam 煤层 coal-heading production 煤头生产 ...
煤层成因
煤层成因,No.5 coal... ... ) genesis of coal 煤的成因 ) No.5 coal seam 煤层成因 ) coal-bed gas origin 煤层气成因 ...
节理煤层
煤层节理,Coal bed... ... ) Coal bed joints 煤层节理 ) coal seam 节理煤层 ) Coal cleat 煤层割理 ...
号煤层
桂引9号,Guiying9,音标,读音,翻译,英文例句,... ... ) No.9 line9 号线 ) No.9 coal seam9 号煤层 ) Guiying9 桂引9号 ...
煤层顶板
层间顶煤,roof coal between top and bottom... ... ) seam roof 煤层顶板 ) coal seam 煤层顶板 ) coal roof 煤层顶板 ...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29