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bank run sand; dead sand | |||
roughing sand | |||
bank-run sand; crude sand; raw sand |
原 砂 : 25 phrases in 10 subjects |
Architecture | 1 |
Desert science | 2 |
Earth sciences | 1 |
Engineering geology | 2 |
General | 1 |
Metallurgy | 2 |
Mining | 3 |
Oil / petroleum | 5 |
Technology | 7 |
Textile industry | 1 |