| (subclass ElectricLightFixture LightFixture) | Cars.kif 5075-5075 | ElectricLightFixture 是 灯具 的 subclass |
| (subclass ElectricLightFixture ElectricDevice) | Cars.kif 5076-5076 | ElectricLightFixture 是 电器 的 subclass |
| (subclass IncandescentLightFixture ElectricLightFixture) | Cars.kif 5078-5078 | IncandescentLightFixture 是 ElectricLightFixture 的 subclass |
| (subclass LEDLightFixture ElectricLightFixture) | Cars.kif 5079-5079 | LEDLightFixture 是 ElectricLightFixture 的 subclass |
| (subclass FluorescentLightFixture ElectricLightFixture) | Cars.kif 5080-5080 | FluorescentLightFixture 是 ElectricLightFixture 的 subclass |
| (subclass LightBulb ElectricLightFixture) | Cars.kif 5082-5082 | LightBulb 是 ElectricLightFixture 的 subclass |
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