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Pillar type variable message sign installed on the···...
LED screen with small spacing refers to indoor LED···...
In front of a long tunnel or long tunnel group and···...
The cantilever variable information sign is instal···...
Outside the tunnel (as seen from the direction of ···...
The emergency stop sign is used to indicate the lo···...
The emergency phone active light-emitting sign ind···...
The evacuation indicator is used to guide pedestri···...
The speed feedback sign is composed of speed limit···...
The countdown signal lamp is divided into one digi···...
The ETC motor drive system consists of two parts: ···...
Fee display (including yellow flash alarm system, ···...
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