| 单词 | ratchet stop |
| 释义 | > as lemmasratchet stop ratchet stop n. ΚΠ 1834 J. Holland Treat. Manuf. Metal III. xv. 289 This clock is wound up by a line going over a pulley, with a ratchet stop on the axis of the great wheel. 1992 Mech. Products & Tools July 1472/3 The micrometer head also includes a constant force ratchet-stop and positive locking clamp. < as lemmas |
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