當後車輪沒有被壓貼向車底時，上鏈後不會放鏈，把車放在地上即車輪壓貼向車

當後車輪沒有被壓貼向車底時，上鏈後不會放鏈，把車放在地上即車輪壓貼向車底，後車輪會轉動車會向前行

結果 (英文) 1:

When the rear wheels are not affixed to the bottom of the vehicle when pressed, will not put the chain on the chain, the car on the ground that is pressed against the bottom of the vehicle wheels, the rear wheels will turn the car will move forward

結果 (英文) 2:

When the wheel has not been pressed to the bottom, on the chain after not chain, put the car on the ground that the wheel is attached to the bottom, rear wheel will rotate the car will move forward

結果 (英文) 3:

When the back end of car to car round without a pressure wrap around labeling when won't give chain after chain on, put the car on the ground end of car to car round pressure wrap around labeling, to turn mobile car car round after meeting meeting forward