The road vehicle is a city built drop pit pit in front of the door, often do not pay attention to the driver to drive the car stuck.
路面大坑车辆掉落市建行门前有一大坑，经常有司机开车不注意将车陷进去。
Built-in constant current driver, high efficiency, stability.
内置恒流驱动，高效，稳定。
Built-in constant current driver, high efficiency, stability.
内置恒流驱动，高效，稳定。
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