单词 | mortise wheel |
释义 | > as lemmasmortise wheel ΚΠ 1843 C. Holtzapffel Turning & Mech. Manip. I. 351 A mortise wheel..with spaces around its edge..to be filled with wooden cogs. 1892 Manufacturer & Builder Feb. 30/2 That large pair of bevel mortise wheels through which the power is conveyed from the water-wheel to the line. < as lemmas |
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