The frequently occurred serious accidents of transportable hazards and their bitter lesson in recent years are briefly described.One of the important causation is lack of monitored control.

• 简述近年来可移动危险源的严重事故及惨痛教训,究其重要原因之一就是缺乏对可移动危险源的动态安全监控,指出开展可移动危险源动态安全监控的迫切性;