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

law of conservation of mass

law of conservation of mass是什么意思、law of conservation of mass怎么讀

law of conservation of mass漢語翻譯

【化】 質(zhì)量守恒定律

law of conservation of mass英語解釋

名詞 law of conservation of mass:

  1. a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
    同義詞：conservation of mass, conservation of matter, law of conservation of matter
0
糾錯(cuò)