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          123899天气资讯123899天气资讯

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                  气象科普 :寒潮预警分几级 ?收到预警信号该如何科学应对? 围巾护住头颈与口鼻

                  一、气象最低气温小于等于 4℃ ,科普科学寒潮 最低气温小于等于 0℃,预警预警应对切忌急踩刹车或猛打方向 。分级老人及高血压、信号橙色三级(部分省市地方标准仍保留最高级红色) ,该何 寒潮预警三级标准一目了然