短語詞組短語automatic traffic signal light 自動紅綠燈;主動紅綠燈;廕;疁traffic signal light group 交通信號燈組;線型交通信號燈組LED Traffic Signal Light LED 交通指示燈traffic signal light control 交通信號燈控制auto traffic signal light 自動紅綠燈electronic traffic signal light 主動紅綠燈amber traffic signal light 黃色交通燈號automaboutic traffic signal light 主動紅綠燈 返回 traffic signal light