fit keyway配合键槽;配合键
profiled keyway[机] 成形键槽
gear keyway齿轮键槽
keyway tool[机] 键槽插刀
keyway detail键沟
hub keyway轮毂键槽
machining keyway键槽加工
keyway gage键槽规
KWY Keyway键沟;键槽
N（名词） a longitudinal slot cut into a component to accept a key that engages with a similar slot on a mating component to prevent relative motion of the two components 键槽