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| 硅补强剂; 白炭黑 | |||
| 二氧化硅气凝胶 | |||
| 硅气凝胶 | |||
| 带孔硅胶 | |||
| 硅土气凝胶 | |||
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silica aerogel : 4 phrases in 2 subjects |
| Refrigeration | 1 |
| Technology | 3 |
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