 |
| |||
| hinged movable support | |||
| |||
| hinged movable support; roller support | |||
| |||
| roller support | |||
|
шарнирная подвижная опора : 3 短语, 2 学科 |
| 建造 | 1 |
| 运输 | 2 |
|
| |||
| hinged movable support | |||
| |||
| hinged movable support; roller support | |||
| |||
| roller support | |||
|
шарнирная подвижная опора : 3 短语, 2 学科 |
| 建造 | 1 |
| 运输 | 2 |