登录
Star
OneIndexR
chevron_right
/
chevron_right
ClassDS
chevron_right
Peking4th
chevron_right
北京四中初中物理
chevron_right
初三物理
chevron_right
13简单机械李丽娟3
文件
expand_more
修改时间
expand_more
大小
expand_more
arrow_upward
..
insert_drive_file
01杠杆.doc
2020-09-22 02:01:56
358.5KB
ondemand_video
01杠杆.mp4
2020-09-22 11:28:43
113.6MB
insert_drive_file
02滑轮.doc
2020-09-22 02:02:01
272KB
ondemand_video
02滑轮.mp4
2020-09-22 12:23:48
129MB
insert_drive_file
03机械效率.doc
2020-09-22 02:02:05
167.5KB
ondemand_video
03机械效率.mp4
2020-09-22 12:49:26
136.8MB
format_list_bulleted