The working prPerfect Steerable Transfer Cartiple of the low-pressure track transfer trolley is to connect the voltage drop to a safe voltage of 36 volts to the track and supply power to the flat car motor through the track. Due to the use of 36V safety voltage, the highest safety performance; because there is no cable and wiring outside the car, it is not afraid of hot, not smashing, and does not hinder cross transportation.