single variation
| method
| single variation | |
| agric. | 单独变异 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 单独变异 | |||
|
single variation : 1 phrase in 1 subject |
| Technology | 1 |