(subclass WearingFrictionSurface Device) | Cars.kif 582-582 | WearingFrictionSurface 是 设备 的 subclass |
(subclass BrakeShoe WearingFrictionSurface) | Cars.kif 596-596 | BrakeShoe 是 WearingFrictionSurface 的 subclass |
(subclass BrakePad WearingFrictionSurface) | Cars.kif 658-658 | BrakePad 是 WearingFrictionSurface 的 subclass |