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| 对角支撑加固 | |||
| 角钢加劲杆; 角支撑; 角加劲 | |||
| angle stiffening: 20 phrases in 7 subjects |
| Bridge construction | 7 |
| Construction | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 7 |
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