Beijing News According to the Central Meteorological Observatory website, the Central Meteorological Observatory released a blue Sandstorm warning at 18:00 on April 20: affected by cold winds and strong winds, expect some areas of central and western inner Mongolia, South and East Xinjiang, Gansu, Ningxia, Central and Nortraln Shaanxi, Shanxi, Western Heber There will be sandstorms, among which some areas of southern新疆，西部蒙古西部和西班牙将有沙尘暴。防御指南：1。预防空气和沙子的准备，并准时关闭门和窗户； 2。请注意，防尘产品（例如面罩，纱布毛巾等）的交付，以防止眼睛损伤和呼吸道；在密封准确仪器上做得很好； 3.用风，例如围栏，格子，临时建筑等，将建筑物安全悬挂，并适当放置容易受沙尘暴影响的外部物品； 4。由于可见度较低，驾驶员必须控制速度并确保安全。编辑Xin Jing返回Sohu查看更多负责编辑：Liu Shengqian UN649