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| 直接还原 (【技】在高炉炼铁专业中，用固体碳作为还原剂，最终生成 CO 的反应是直接还原。高炉中温度大于 1000°C 的下部区域为直接还原区。) | |||
| 直接归约 | |||
| English thesaurus | |||
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| rsub_d | |||
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direct reduction : 74 phrases in 7 subjects |
| Automobiles | 1 |
| Business | 2 |
| Chemistry | 1 |
| Electronics | 1 |
| Metallurgy | 65 |
| Securities | 1 |
| Technology | 3 |
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