申请试用
HOT
登录
注册
 
wheel-axle

wheel-axle

PrimaryNode
/
发布于
/
1925
人观看
1.The wheel is locked to a central axle so that when one is turned the other must turn 2.Longer motion at the edge of the wheel is converted to a shorter more powerful motion at the axle and vice versa
5点赞
0收藏
0下载
相关推荐
确认
3秒后跳转登录页面
去登陆