| 单词 | worm-wheel |
| 释义 | > as lemmasworm-wheel worm-wheel n. ΚΠ 1678Worm-wheel [see worm-spindle n.]. 1842 Civil Engineer & Architect's Jrnl. 5 73/1 A vertical shaft, on the bottom of which is a worm, taking into a worm-wheel. 1925 Chambers's Jrnl. May 332/1 An ideal clip for hose connections..based on the worm and worm-wheel principle. < as lemmas |
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