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| concrete test cube | |||
| trail batch; concrete core | |||
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| test cube | |||
| 混凝土试块: 23 phrases in 6 subjects |
| Bridge construction | 1 |
| Construction | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| Metallurgy | 2 |
| Technology | 16 |
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