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防 护剂 : 35 phrases in 14 subjects |
Agriculture | 5 |
Architecture | 1 |
Automobiles | 1 |
Earth sciences | 1 |
Electronics | 1 |
General | 3 |
Life sciences | 1 |
Metallurgy | 1 |
Oil / petroleum | 3 |
Polymers | 1 |
Shipbuilding | 2 |
Space | 1 |
Technology | 13 |
Telecommunications | 1 |