通过增加一个气筒和延时装置，使之不仅可用于玻璃瓶封口，而且可用于金属罐封口。

This machine was made to seal not only the glass bottles but also the tin-plate cans.

youdao

通过增加一个气筒和延时装置，使之不仅可用于玻璃瓶封口，而且可用于金属罐封口。

This machine was made to seal not only the glass bottles but also the tin-plate cans.

youdao