A headwind-going vehicle is made of the pulleys used in curtain track, and some routine things.

利用窗帘轨道中的滑轮和日常生活用品制作了逆风车。

youdao

A headwind-going vehicle is made of the pulleys used in curtain track, and some routine things.

利用窗帘轨道中的滑轮和日常生活用品制作了逆风车。

youdao