黑白負片顯影液功能項目: 1、顯影主劑 2、抗氧化劑(防腐劑) 3、鹼劑(顯影促進劑) 4、灰霧抑制劑 https://pay.firstory.me/user/alternativedarkroom https://open.firstory.me/story/cks8b1k59fiyd0944mily0htj?m=comment Powered by Firstory Hosting