 |
| |||
| 平行面间距 | |||
| face-to-face distance: 5 phrases in 4 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
|
| |||
| 平行面间距 | |||
| face-to-face distance: 5 phrases in 4 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |