外面圆圈,中间一道斜杠,外面圆圈,中间一个交叉,这两个标志有什么不同?“近日,梧州市长洲区交警大队的叔叔阿姨们带着神奇的”魔法箱“来到梧州市新兴二路小学,给同学们上了一堂别开生面的交通安全教育课。令同学们感到好奇的”魔法箱“终于掀开了神秘的面纱,原来里面有各 Outside the circle, the middle of a slash, outside the circle, the middle of a cross, what is the difference between these two signs? ”Recently, the aunt of Changzhou District Traffic Police Brigade in Wuzhou City with magical“ magic box ”came Wuzhou Xinxing Er Road Primary School gave students a unique traffic safety education class so that students were curious “Magic Box ” finally opened the mysterious veil, which originally had