| 单词 | zinc scum |
| 释义 | > as lemmaszinc scum zinc scum n. ΚΠ 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 192 Zinc-scum, the zinc-silver alloy skimmed from the surface of the bath in the process of desilverization of lead by zinc. < as lemmas |
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