紅燈在上，黃居中，綠在下，再往下是轉向燈。這個順序應該是國際通用吧

來源: fuz 於 2019-03-10 21:56:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.