麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

reducing agent

reducing agent是什么意思、reducing agent怎么讀

reducing agent漢語翻譯

【化】 還原劑
【醫(yī)】 還原劑

reducing agent英語解釋

名詞 reducing agent:

  1. a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the slackened silver
    同義詞：reducer, reductant
0
糾錯