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| 成直角 | |||
| square out: 33 phrases in 9 subjects |
| Architecture | 1 |
| Automobiles | 4 |
| Economy | 1 |
| Hydroelectric power stations | 3 |
| Industry | 5 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 12 |
| Textile industry | 4 |
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