| 单词 | vacuum-pan |
| 释义 | > as lemmasvacuum-pan vacuum-pan n. ΚΠ 1839 A. Ure Dict. Arts 1208 An apparatus inserted air-tight into the cover of the vacuum-pan. 1857 W. A. Miller Elements Chem. III. 66 The syrup..is boiled down again in the vacuum pan, and is obtained in the form of..crushed sugar. < as lemmas |
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