If you need the clock's hands, reinstall the first gear out. and reverse your disassembly.
如果你需要时钟的指针，就将第一个齿轮装回去，逆序重复拆卸动作。
youdao
To study the gear surface based on the reverse engineering.
对齿轮表面进行了逆向工程学研究。
应用推荐
模块上移
模块下移
不移动