| |||
| 转角法 (计算刚架内力的方法) | |||
| 转角法; 转动法 | |||
|
method of rotation : 3 phrases, 3 sujets |
| Construction de ponts | 1 |
| Hydraulique | 1 |
| Technologie | 1 |
| |||
| 转角法 (计算刚架内力的方法) | |||
| 转角法; 转动法 | |||
|
method of rotation : 3 phrases, 3 sujets |
| Construction de ponts | 1 |
| Hydraulique | 1 |
| Technologie | 1 |