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erection |
起 竖 : 97 phrases in 15 subjects |
Agriculture | 1 |
Architecture | 3 |
Aviation | 5 |
Baseball | 1 |
Bridge construction | 1 |
Drilling | 1 |
Economy | 2 |
Electronics | 3 |
General | 19 |
Ichthyology | 1 |
Metallurgy | 1 |
Navigation | 1 |
Space | 47 |
Sports | 1 |
Technology | 10 |