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sprig | |||
foundry nail | |||
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U-staple |
型钉 : 40 phrases in 12 subjects |
Agriculture | 4 |
Air defense | 1 |
Architecture | 1 |
Automobiles | 1 |
Computer numerical control | 1 |
Continuous casting | 2 |
General | 1 |
Metallurgy | 7 |
Nursing | 1 |
Oil / petroleum | 1 |
Technology | 18 |
Textile industry | 2 |