Drivers must be on the alert for traffic signals.
驾驶员必
注意
通信号。
通信号；通讯号，指挥
Drivers must be on the alert for traffic signals.
驾驶员必注意通信号。
The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.
本发明提供的通信号，使得了色盲症的人也能辨识通信号。
The traffic signal lamp of the important composition part controlled as the traffic should internationalize too.
通控制的重要组成部份的通信号也应国际化。
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