单词 woodruff 释义 woodruff1|wdrf|Forms: 1 wudu-, wuderofe, -rife, 3 wuderoue, 4 woderowe, 4–5 -rove, 5 -rofe, wodrove, -roffe, -ruffe, 5–6 -rofe, 6 woodroue, -rowe, -rofe, -roof(f)e, 7 -rof, -rough, 7– -roof, (8 -rooff), 9 woodruff, (Sc. -riff, arch....
单词 Woodruff 释义 Woodruff2 Mech.|wdrf|[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 Woodru...