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crusher-run aggregate |
破碎料: 44 phrases in 11 subjects |
Animal husbandry | 2 |
Chemistry | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 3 |
Nuclear and fusion power | 1 |
Plastics | 1 |
Technology | 29 |