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| 尺寸标准; 连接尺寸标准 | |||
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dimension standard : 10 phrases in 7 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Economy | 1 |
| Mechanics | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| Wind Energy | 1 |
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