亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

reducer

音標[ri'dju:s?]
reducer是什么意思、reducer怎么讀

reducer漢語翻譯

n. 漸縮管, 縮減者, 還原劑
【化】 變徑段; 變徑管; 異徑管; 大小頭; 還原劑; 減速器; 減振器; 節(jié)流器

reducer英語解釋

名詞 reducer:

  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：reducing agent, reductant
  2. pipefitting that joins two pipes of different diameter
0
糾錯