免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

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