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| |||
| major component | |||
| chief component; key component; main constituent; main component | |||
| essential component; primary constituent | |||
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主要 组 分 : 12 phrases in 9 subjects |
| Agriculture | 2 |
| Business | 1 |
| Chemistry | 1 |
| Economy | 1 |
| General | 2 |
| Management | 1 |
| Metallurgy | 1 |
| Technology | 2 |
| Textile industry | 1 |
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