law of conservation of mass中文,law of conservation of mass的意思,law of conservation of mass翻译及用法 2026-03-21 16:53 浏览次数 12 law of conservation of mass英[lɔ: ɔv ˌkɔnsəˈveiʃən ɔv mæs]美[lɔ ʌv ˌkɑnsɚˈveʃən ʌv mæs][物] 物质守恒定律