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reinforcing coat |
增强层 : 48 phrases in 13 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 2 |
Bridge construction | 1 |
Chemistry | 3 |
Electronics | 3 |
Geophysics | 2 |
Metallurgy | 1 |
Nautical | 3 |
Plastics | 8 |
Polymers | 8 |
Space | 2 |
Technology | 13 |