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| 材料采购 | |||
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| 材料采购; 材料购进 | |||
| 原材料采购 | |||
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material purchases : 24 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Business | 5 |
| Chemistry | 1 |
| Compressors | 1 |
| Economy | 5 |
| Finances | 1 |
| Management | 2 |
| Technology | 5 |
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