| 单词 | scroll-wheel |
| 释义 | > as lemmasscroll-wheel scroll-wheel n. a wheel actuated by scroll-gear. Π 1868 J. Turner Woollen Manuf. Assist. 18 To find revolutions of rim for 1 of scroll... Divide the product of the driven (1st sh. roller wheel, 1st short wheel, 1st scroll wheel and scroll) by the product of the drivers. < as lemmas |
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