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单词 Woodruff
释义 Woodruff2 Mech.|ˈwʊdrʌf|
[See quot. 1892.]
Woodruff key: a key whose cross-section is part circular (to fit into a curved keyway in a shaft) and part rectangular.
1892P. Benjamin Mod. Mechanism 455 [The Woodruff System of Keying.—The Woodruff Manufacturing Co., of Hartford, Conn., has brought out a novel system of keying.]Ibid. 924 (Index), Woodruff keys.1923C. D. Albert Machine Design Drawing Room Probl. i. 63 Woodruff keys are quite extensively used in machine tools and in machine construction generally.1976New Motorcycling Monthly Oct. 34/1 Remove Woodruff key from its slot in magneto shaft.
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