And you'd still need to get air in the tank in a green way. Maybe a solar-powered, geothermal, wind-driven compressor?

而且吧，要把空气压到罐子里也得很环保，要不试试太阳能的，地热的，风能的空气压缩机？

youdao

And you'd still need to get air in the tank in a green way. Maybe a solar-powered, geothermal, wind-driven compressor?

而且吧，要把空气压到罐子里也得很环保，要不试试太阳能的，地热的，风能的空气压缩机？

youdao