4个数三中三多少组不重复

简介：The visibility on the road was extremely low. Team Qin used a strong flashlight, turning it on and off, walking on the right side of the gravel road, constantly flashing a strong light signal to prevent a motorcycle from suddenly rushing towards him. . Although buses and other passenger vehicles are prohibited from entering Shenzi Village, light and fast motor vehicles such as motorcycles are not prohibited.