| 单词 | solid key |
| 释义 | > as lemmassolid key solid key n. ΚΠ 1862 Internat. Exhib.: Illustr. Catal. Industr. Dept. II. xxxi. §6105 The key is what is called ‘solid’, that is, that the ‘bits’ or ‘steps’ are cut on the solid metal of the ‘web’. < as lemmas |
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