- 发动机 fādòngjī enginemachine that converts energy (such as heat, wind, or electricity) into mechanical motion; motor
- 电动机 diàndòngjī electric motorA device that converts electrical energy into mechanical energy to power machines.
- 永动机 yǒngdòngjī perpetual motion machineperpetual-motion machine
- 自动机 zìdòngjī automatonautomatic machine; robot; automat
- 原动机 yuándòngjī prime moverA machine that converts natural energy like water power, heat, or electricity into mechanical energy.
- 涡轮喷气发动机 wōlúnpēnqìfādòngjī turbojetA type of jet engine where air is compressed, mixed with fuel and burned, then exhausted through a turbine that powers the compressor, creating thrust.
- 涡轮轴发动机 wōlúnzhóufādòngjī turboshaftturboshaft engine
- 空气制动机 kōngqìzhìdòngjī air brakea braking system for vehicles, especially trains and heavy trucks, that uses compressed air to apply the brakes
- 柴油发动机 cháiyóufādòngjī diesel engineAn internal combustion engine that uses the heat of compression to ignite fuel, typically used in heavy machinery and industrial vehicles
- 元胞自动机 yuánbāozìdòngjī cellular automatona discrete model studied in computer science and mathematics consisting of a regular grid of cells
- 双发动机 shuāngfādòngjī twin-engine vehiclea vehicle or aircraft powered by two engines; bimotored
- 喷气发动机 pēnqìfādòngjī jet enginean aviation engine that uses the reaction force of high-speed gas jets produced by burning fuel as power; used in high-speed aircraft and rockets
- 传动机构 chuándòngjīgòu transmission mechanismtransmission mechanism; a system of parts in a machine that transmits power or motion
- 汽油发动机 qìyóufādòngjī gasoline engineInternal combustion engine that uses gasoline as fuel, primarily used in automobiles; also called [[汽油机|汽油機|qi4 you2 ji1]]
