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| 变截面 | |||
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variable cross : 34 phrases in 13 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Bridge construction | 7 |
| Business | 1 |
| Earth sciences | 1 |
| Hydroelectric power stations | 4 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 12 |
| Wind Energy | 1 |