短语词组短语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 返回 keyway