reference pair
| method
| reference pair abbr. | |
| oil | 参考象对 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 参考象对 | |||
|
reference pair : 2 phrases in 1 subject |
| Technology | 2 |