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advanced material | |||
perfect material; premium-grade material |
高级材料: 23 phrases in 11 subjects |
Automobiles | 1 |
Aviation | 3 |
Chemistry | 1 |
Ecology | 1 |
Electronics | 1 |
General | 3 |
Metallurgy | 5 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Steel production | 1 |
Technology | 5 |