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单词
bell crank
释义
WordReference Random House Unabridged Dictionary of American English © 2024
bell
′
crank′,
[
Mach.
]
Mechanical Engineering
a lever or rocker having two arms meeting at a pivot at a right angle, used for transmitting motion between two parts meeting at an angle.
1880–85
bell
′
-cranked′
,
adj.
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更新时间:2026/5/9 12:24:43