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| circular cross section; circular section | |||
| round section | |||
| bulb section | |||
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圆 形断面 : 14 phrases in 8 subjects |
| Agriculture | 1 |
| Architecture | 2 |
| Automobiles | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Plastics | 1 |
| Technology | 4 |
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