conventional operation
| method
| conventional operation abbr. | |
| met. | 普通操作法 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 普通操作法 | |||
|
conventional operation : 6 phrases in 3 subjects |
| Metallurgy | 3 |
| Technology | 2 |
| Water resources | 1 |