To view this page ensure that Adobe Flash Player version 10.2.0 or greater is installed.
Either scripts and active content are not permitted to run or Adobe Flash Player version 10.2.0 or greater is not installed.
姓名: 单位: 联系方式:
电灯、熨斗等是我们生活中常见的家用电器,但并不是每个人都了解它们的工作原理。本片解释了电灯、熨斗以及电池的工作原理,并介绍了相关的电学知识,如导体、绝缘体、电流、超导性等等。