exploitation and utilization
| of
| coal resources
| exploitation and utilization abbr. | |
| ecol. | 开发利用 |
| of abbr. | |
| gen. | 的; …的; 关于 …的; …做成 的; 对…; … 的 |
| coal resource abbr. | |
| agric. | 煤炭资源 |
| coal resources abbr. | |
| chem. | 煤资源 |
| mineral. од. | 煤炭资源量 |
| |||
| 开发利用 | |||
|
exploitation and utilization : 3 phrases in 3 subjects |
| Agriculture | 1 |
| China | 1 |
| Desert science | 1 |