 |
| |||
| 圆顶型空气室 | |||
| 圆形型的空气室 | |||
| 活塞泵的空气包; 压力补偿器 | |||
| 空气包 | |||
| 半圆形空气室; 气室; 充气帐篷 | |||
| air dome: 6 phrases in 4 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Plastics | 1 |
| Technology | 3 |
|
| |||
| 圆顶型空气室 | |||
| 圆形型的空气室 | |||
| 活塞泵的空气包; 压力补偿器 | |||
| 空气包 | |||
| 半圆形空气室; 气室; 充气帐篷 | |||
| air dome: 6 phrases in 4 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Plastics | 1 |
| Technology | 3 |