隧道内交通安全隐患大，一旦出现交通事故，整条路段都会受到影响。
Large traffic safety hidden danger in the tunnel. Once a traffic accident occurs, the whole road will be affected.
【摘要】隧道内交通安全隐患大，一旦出现交通事故，整条路段都会受到影响。
Abstract Large traffic safety hidden danger in the tunnel. Once a traffic accident occurs, the whole road will be affected.
【摘要】隧道内交通安全隐患大，一旦出现交通事故，整条路段都会受到影响。
Abstract Large traffic safety hidden danger in the tunnel. Once a traffic accident occurs, the whole road will be affected.
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