花儿与少年刘涛视频:翻译成英语:在一个大齿轮的四周,均布着四个大小相同的小齿轮,
来源:百度文库 编辑:高校问答 时间:2024/10/05 14:26:18
In a big wheel gear of on all sides, all the cloth wears four denticle rounds with same size,
In a big wheel gear of on all sides, all the cloth wears four denticle rounds with same size,