或可使地面车辆的电子装置失灵；
当出现停电情况时只要下层车位无车，通过手动释放装置就可以轻松的将上层车辆安全的降至地面。
When there is a power outage, as long as the lower car parking no car, through the manual release of the device can be easily on the upper floor of the vehicle safely down to the ground.
本实用新型的牌照固定装置的优点在于，当车辆在坡道上行驶或遇到障碍物 时，牌照板的下端不会受到地面或障碍物的阻挡而损坏。
The advantages of the utility model is the lower part of the license plate will not damaged by the ground or the roadblocks, when the vehicle runs on the ramp or meets the roadblocks.
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