| 单词 | activated charcoal |
| 释义 | > as lemmasactivated charcoal activated charcoal n. = activated carbon n. ΚΠ 1919 Jrnl. Industr. & Engin. Chem. 11 281/2 Cleveland was the center for the development of activated charcoal, material which helped to make the American gas mask the best mask found on any foreign battlefield. 1969 M. R. Sharpe Living in Space v. 113 The life-support system in the command module..has a metal canister with 4 lb. of lithium hydroxide, a layer of activated charcoal, and glass-cloth filters. 1998 Canal Boat & Inland Waterways June 61/2 The simplest purifying filters consist of activated charcoal or similar material. < as lemmas |
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