《叮咚上线！老师好》是一档互动知识分享节目，于2020年7月27日起每周一至周四晚19:30在湖南卫视播出。 节目打造全新的全年龄青春课堂，一批有颜有型又有才的老师将上阵，挑战趣味性知识输出。
The world's most enormous machines are stripped down and torn apart to discover their hidden secrets and to reveal out how each one has changed our world in its own unique way. Engineering Giants is a documentary series which takes a look at the making of some of the world's hughest machines.
