Drivers must be on the alert for traffic signals.
驾
须密切注意交
信号。
信号；交讯号，指挥
Drivers must be on the alert for traffic signals.
驾须密切注意交信号。
The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.
本发明提供的交信号，使得了色盲症的人也能辨识交信号。
The traffic signal lamp of the important composition part controlled as the traffic should internationalize too.
作为交
的重要组成部份的交信号也应国际化。
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