今年４—５月，我国先后发生三起空难：一是中国国际航空公司班机在南韩撞山，二是北方航空公司班机在大连海域上空失事，三是台湾中华航空公司班机在澎湖海域上空坠海，三次空难共导致４５０多位同胞罹难，令人痛惜。绝大多数乘客和机组人员都未能幸免于难，说明现有救生设备 From April to May of this year, there were three crashes in China: First, the flight of China International Airlines crashed in South Korea; second, the flight of the Northern Airlines crashed over the sea of ​​Dalian; and third, the flight of the Taiwan Airlines flight of Taiwan Airlines crashed over the waters of the Penghu Sea. Three military accidents caused the death of more than 450 compatriots, which is deplorable. The vast majority of passengers and crew members have not been spared, illustrating existing life-saving equipment