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| concrete masonry unit | |||
| chimney block; concrete block; concrete brick; concrete masonry block; concrete wall block | |||
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| concrete masonry unit | |||
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混凝土砌 块 : 174 phrases in 8 subjects |
| Architecture | 4 |
| Bridge construction | 2 |
| Construction | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 160 |
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