打开App
360P
三维动画详细介绍无绳电钻的工作原理以及内部组件构造
通过三维动画，利用透视，拆解的视频方式介绍无绳电钻的内部构造和工作原理
机械机器类科普11/15
App01:32
App02:58
App02:06
App03:42
App02:21
App03:02
App03:14
App02:38
App01:43
App02:28
App03:25
App01:39
App01:46
App01:50
App03:13打开App观看
通过三维动画，利用透视，拆解的视频方式介绍无绳电钻的内部构造和工作原理
App01:32App02:58App02:06App03:42App02:21App03:02App03:14App02:38App01:43App02:28App03:25App01:39App01:46App01:50App03:13
