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| 钢 柱: 223 phrases in 14 subjects |
| Architecture | 13 |
| Bridge construction | 11 |
| Construction | 1 |
| Drilling | 2 |
| Electric machinery | 1 |
| Electronics | 5 |
| Engineering geology | 7 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 22 |
| Rail transport | 7 |
| Steel production | 2 |
| Technology | 148 |
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