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hardened steel |
硬化 钢: 95 phrases in 14 subjects |
Architecture | 1 |
Automobiles | 2 |
Aviation | 2 |
Bridge construction | 1 |
Business | 1 |
Chemistry | 1 |
Electronics | 3 |
General | 4 |
Mechanics | 1 |
Metallurgy | 45 |
Oil / petroleum | 3 |
Steel production | 5 |
Technology | 25 |
Wind Energy | 1 |