| 单词 | ratchet-wheel |
| 释义 | 詞目：Ratchet-wheel 1866-69羅存德英華字典Ratchet-wheel1制輪1866-69羅存德英華字典 1筆p 1428 1884井上哲次郎訂增英華字典Ratchet-wheeln.1制輪1884井上哲次郎訂增英華字典 1筆p 870 1908顏惠慶英華大辭典Ratchet-wheeln.1A circular wheel having angular teeth, into which a ratchet drops, to prevent machines from running |
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