| |||
| 上面部分 | |||
| 上部; 上半部分 | |||
| 金刚石钻头上体 | |||
| 上半断面 | |||
|
upper section : 8 phrases in 5 subjects |
| Chemistry | 2 |
| Continuous casting | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| |||
| 上面部分 | |||
| 上部; 上半部分 | |||
| 金刚石钻头上体 | |||
| 上半断面 | |||
|
upper section : 8 phrases in 5 subjects |
| Chemistry | 2 |
| Continuous casting | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |