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石油 沥青 : 195 phrases in 13 subjects |
Architecture | 15 |
Automobiles | 1 |
Bridge construction | 4 |
Chemistry | 1 |
Ecology | 5 |
Engineering geology | 2 |
Metallurgy | 3 |
Military | 1 |
Nautical | 1 |
Oil / petroleum | 15 |
Rail transport | 1 |
Technology | 145 |
Textile industry | 1 |