coal sampling
| system
| coal sampling | |
| met. | 采煤样 |
| system | |
| gen. | 体 |
| IMF. | 安排 |
| leath. | 网 |
| med. | 派 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 采煤样 | |||
|
coal sampling : 5 phrases in 3 subjects |
| Electricity | 3 |
| International trade | 1 |
| Technology | 1 |