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| physico-chemical process | |||
| physicochemical process Processes involving changes in the physical properties and chemical structure of substances (变化过程中的物理性质和化学结构。) | |||
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物理 化学过程 : 4 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 2 |
| Technology | 1 |
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