| 单词 | sand-coal |
| 释义 | > as lemmassand-coal sand-coal n. ΚΠ 1848 E. Ronalds & T. Richardson tr. F. Knapp Chem. Technol. I. 33 Other kinds of coal..leave a coke of the same form without caking. When pulverized, they leave a powdery coke. This variety is called sand-coal. < as lemmas |
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