friction circle
| method
| friction circle | |
| hydroel.st. | 摩擦圆 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 摩擦圆 | |||
| 摩阻圆 | |||
|
friction circle : 9 phrases in 5 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 4 |