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| 原材料投入; 物资投入 | |||
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| 物质投入; 材料投入 | |||
| 物资投入 | |||
| material inputs: 11 phrases in 6 subjects |
| Business | 1 |
| Chemistry | 2 |
| Commerce | 3 |
| Consulting | 1 |
| Ecology | 2 |
| Technology | 2 |
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