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曲杆: 147 phrases in 22 subjects |
Agriculture | 2 |
Architecture | 4 |
Athletics | 1 |
Automobiles | 22 |
Aviation | 2 |
Biology | 3 |
Bridge construction | 13 |
Compressors | 2 |
Drilling | 4 |
Electric machinery | 1 |
Electronics | 1 |
General | 3 |
Golf | 3 |
Mechanic engineering | 3 |
Metallurgy | 5 |
Oil / petroleum | 7 |
Plastics | 1 |
Reproductive biology | 1 |
Skiing | 1 |
Technology | 63 |
Textile industry | 4 |
Water resources | 1 |