resonant column
| method
| resonant column | |
| tech. | 共振柱 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 共振柱 | |||
|
resonant column : 10 phrases in 4 subjects |
| Electronics | 1 |
| Engineering geology | 4 |
| Hydroelectric power stations | 1 |
| Technology | 4 |