(subclass FluidPowerDevice EngineeringComponent) | engineering.kif 737-737 | 子類 流體動力裝置 and EngineeringComponent |
(subclass FluidCylinder FluidPowerDevice) | engineering.kif 907-907 | 子類 液壓缸 and 流體動力裝置 |
(subclass Valve FluidPowerDevice) | engineering.kif 913-913 | 子類 閥 and 流體動力裝置 |
(subclass Faucet FluidPowerDevice) | engineering.kif 932-932 | 子類 Faucet and 流體動力裝置 |