On July 5, the Tianjin Public Security Bureau cooperated with the Tianjin Emergency Management Bureau, the Municipal Fire Rescue Corps, the Blue Sky Rescue Team, etc. The drill is based on the background of possible flood prevention and dangers in bridge bridges and low cities of the cities due to severe and severe weather, and are equipped with six drills including displaying basic skills of boats, self-deploying boats, rescue map, island-rescue,涵盖和涵洞阻塞，救援，营救，救援，船只目标，以改善海岸和救援，以及船只目标的目标，以改善海岸和救援，以及船只目标，以改善海岸和救援海岸。快速应急响应能够应对专业人士和紧急情况。 （Tang RunQing） 负责编辑：[Wang Kai]