Warn other traffic by displaying a red triangle or switching on hazard warning lights or the lights or by any other means.
放置红色三角牌或打开危险警示灯或其他灯或别的什么方式提醒后来的车辆。
Corrosion building foundations caused by groundwater is a type of natural hazard developed widely and slowly. It poses the greatest threat to the foundations of towns in the red beds area.
地下水对建筑物基础腐蚀是发育广泛、速率缓慢的地质灾害，它对红层区城市基础工程危害尤显突出。
Red tide is an ocean phenomenon which often occurs, and now it has become a world wide hazard.
赤潮是一种经常爆发的海洋现象，现已成为一种世界性的公害。
Red tide is an ocean phenomenon which often occurs, and now it has become a world wide hazard.
赤潮是一种经常爆发的海洋现象，现已成为一种世界性的公害。
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