transfer car
Industrial or warehouse vehicle used to move heavy loads between locations, often on rails or guided paths.
camera dolly
Film and video production equipment: a wheeled platform that carries the camera for smooth tracking shots.
In the factory, transfer cars are used to transport parts.
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.