Developer , Fixer no suitable solution can also cause the film.

不退影液的淡度不不合也能致使胶片发黄。

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First the film is put into a liquid called the developer.

首先胶片要放入一种叫显像剂(显影剂)的液体中。

youdao

First the film is put into a liquid called the developer.

首先胶片要放入一种叫显像剂(显影剂)的液体中。

youdao