信号灯

The traffic lights were out of phase.

交通信号灯不同步。

The traffic signal lamp of the important composition part controlled as the traffic should internationalize too.

作为交通控制重要组成份交通信号灯也应国际化。

The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.

本发明提供交通信号灯，使得了色盲症人也能辨识交通信号。