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square bend |
直角弯 : 85 phrases in 14 subjects |
Agriculture | 1 |
Architecture | 8 |
Automobiles | 3 |
Chemistry | 1 |
Computer numerical control | 2 |
Drilling | 8 |
Ecology | 1 |
Electronics | 3 |
General | 1 |
Hydroelectric power stations | 4 |
Metallurgy | 2 |
Oil / petroleum | 4 |
Space | 2 |
Technology | 45 |