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| 砾石骨料混凝土 | |||
| 碎石混凝土 | |||
| 砾石混凝; 土卵石混凝土 | |||
| 砾石混凝土 | |||
| 卵石混凝土; 砾石混凝上 | |||
| gravel concrete: 20 phrases in 5 subjects |
| Architecture | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Technology | 15 |
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