虽说陆海空三大类交通工具中,出现事故的几率以空中交通为最低,但全球每年还是要发生很多起机毁人亡的空难事故。即使从飞机的设计、制造就开始把安全放在第一位,即使在每次起航前都要进行谨慎严密的机上仪器设备的完好检查,然而空难事故还是时有发生。因为科学技术水平的发展和提高,人类已经实现了飞上蓝天的宿愿,可是当今科学技 Although the three major types of vehicles in land, sea and air transport, the chances of accidents in the air traffic as the lowest, but the world each year there are still many plane crash accidents. Even starting with the design and manufacture of aircraft, safety began to be top of the list. Even with the rigorous and rigorous in-flight check-in of equipment and equipment prior to each departure, accidents from time to time have taken place. Because of the development and improvement of science and technology, mankind has realized the dream of flying into the blue sky, but today’s science and technology