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| 块石铺砌路面 | |||
| 块石路面 | |||
| 块石铺砌的路面; 块体铺砌路面; 铺砌路面; 块石铺面 | |||
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| 块石铺砌路面 | |||
| block stone pavement: 10 phrases in 5 subjects |
| Bridge construction | 2 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Project management | 1 |
| Technology | 5 |
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