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| critical part; vital component | |||
| critical component | |||
| major critical component | |||
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关 键部件 : 10 phrases in 7 subjects |
| Aviation | 4 |
| Business | 1 |
| Chemistry | 1 |
| Commerce | 1 |
| International trade | 1 |
| Shipbuilding | 1 |
| Textile industry | 1 |
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