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buttock line | |||
vertical line | |||
long string; main string |
竖 线 : 87 phrases in 13 subjects |
Air defense | 2 |
Bridge construction | 14 |
Earth sciences | 1 |
Electronics | 3 |
General | 3 |
Hydroelectric power stations | 1 |
Hydrology | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 56 |
Textile industry | 1 |