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| prestressed reinforced concrete | |||
| prestressed reinforced concrete | |||
| cylindrical prestressed concrete shell | |||
| 预应力 钢 筋混凝土: 27 phrases in 6 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 21 |
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