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| 极限限位，边界线 | |||
| 界线 | |||
| 极限线; 边界线; 限止线; 相界线; 分界线 | |||
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limiting line : 7 phrases in 4 subjects |
| Aviation | 1 |
| Rail transport | 1 |
| Technology | 3 |
| Telecommunications | 2 |
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