| 单词 | charcoal |
| 释义 | charcoal [`chär´kōl] MATERIALS 1. Also known as char. 2. A porous solid product containing 85-98% carbon and produced by heating carbonaceous materials such as cellulose, wood, or peat at 500-600°C in the absence of air. 3. The residue obtained from the carbonization of a noncoking coal, such as subbituminous coal, lignite, or anthracite. 4. See <<low-temperature coke>> |
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