是一种新颖的复写纸，其特点是，在复写纸的上层写字，不用垫涂了油墨的复写层也能复写。

Is a kind of novel carbon paper, its characteristic is that on the upper deck of the carbon paper to write, no pads with inks carbon layer can also copy.

youdao

是一种新颖的复写纸，其特点是，在复写纸的上层写字，不用垫涂了油墨的复写层也能复写。

Is a kind of novel carbon paper, its characteristic is that on the upper deck of the carbon paper to write, no pads with inks carbon layer can also copy.

youdao