| 单词 | sliding-collar |
| 释义 | > as lemmassliding-collar sliding-collar n. ΚΠ 1680 J. Moxon Mech. Exercises I. xiv. 239 The Neck of the Sliding Collar. 1825 ‘J. Nicholson’ Operative Mechanic 125 The balls will fall towards each other, and let down the sliding collar. < as lemmas |
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