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生命线 | |||
命脉 | |||
救生绳 | |||
救生索 | |||
潜水员升降索 |
lifeline: 22 phrases in 13 subjects |
Agriculture | 1 |
Business | 1 |
China | 1 |
Commerce | 1 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 1 |
Engineering geology | 1 |
General | 1 |
International trade | 1 |
Nautical | 2 |
Technology | 8 |
United Nations | 1 |