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| 材料加工 | |||
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| 材料加工 | |||
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processing of materials : 32 phrases in 14 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Business | 11 |
| Commerce | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Economics | 1 |
| General | 3 |
| Hydrology | 1 |
| International trade | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 2 |
| Textile industry | 3 |