transfer car
Industrial or warehouse vehicle used to move heavy loads between locations, often on rails or guided paths.
In the factory, transfer cars are used to transport parts.
camera dolly
Film and video production equipment: a wheeled platform that carries the camera for smooth tracking shots.
During filming, they place the camera on a dolly to achieve smooth movement.
Compound of 移動 (movement, transfer) and 車 (vehicle, wheeled device). A straightforward technical term with no known historical peculiarities.