打开App
零基础入门学习电脑打字指法，电脑键盘主键盘区讲解
零基础电脑教学，主键盘区认识6/13
App05:49
App05:29
App05:50
App06:02
App06:29
App06:15
App06:06
App06:25
App06:01
App06:16
App06:14
App06:21
App05:53打开App观看
App05:49App05:29App05:50App06:02App06:29App06:15App06:06App06:25App06:01App06:16App06:14App06:21App05:53
