20 年前
视频简介
A young girl discovers that her father has run up huge debts, when debt collectors take their house. In one day, Jindřiška must decide whether to help her father, or save herself before it's too late.。主人公魏建仓带领他的水下无人机设计团队从设计理念，到手绘成型，三维建模打印雏形，最后进行海水中试验的全过程。。
标签
科学
自然
智斗