What kind of vehicle does a wheeled bicycle refer to?

Wheeled self-propelled machinery is divided into crawler-type wheeled self-propelled machinery and ordinary wheeled self-propelled machinery; The former includes locomotives, motor cars, rail cars, rail motorcycles, rail cranes and special railway construction machinery. The latter includes automobiles, tire cranes, road rollers, tractors, harvesters and special construction machinery (excluding automobile trailers).

Classification:

Wheeled self-propelled machinery is divided into crawler-type wheeled self-propelled machinery and ordinary wheeled self-propelled machinery (including tire type and hub type).

Explain in detail:

Track wheeled self-propelled machinery includes railway locomotives, motor cars, rail cars, rail motorcycles, rail cranes and special machinery for railway engineering (excluding ordinary trucks).