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ratchet wheel的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
toothed wheel held in place by a pawl or detent and turned by a lever
ratchet wheel的用法和樣例：
例句
用作名詞 (n.)
- A ratchet allows a heavy weight to be raised in short successive stages.
棘輪可在簡短連續的步驟內就把一個重物抬高。 - As the piston descended, a ratchet engaged the piston rod and engine shaft and thus power was transmitted.
當活塞下行時，棘輪連接活塞桿和發動機軸，因此將功率輸送出去。
