 |
| |||
| 主茎; 主干 | |||
| 主竖井 | |||
| 主井; 竖井 | |||
| 总〔中间，天〕轴; 主传动轴 | |||
| 主通风井 | |||
| 主要巷道; 主烟囱; 主竖井; 主矿井; 透气主井 | |||
| 主轴 | |||
| main shaft: 36 phrases in 11 subjects |
| Automobiles | 5 |
| Compressors | 1 |
| Electric machinery | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 7 |
| Space | 1 |
| Technology | 12 |
| Wind Energy | 2 |