law of chemical change

英 [lɔː ɒv ˈkemɪkl tʃeɪndʒ] 美 [lɔː əv ˈkemɪkl tʃeɪndʒ]

网络  化学变化定律

机械



双语例句

  1. Discussion on law of chemical composition change of electroslag remelted steels for hi pressure boiler tube making
    电渣重熔高压锅炉管用钢化学成分变化规律的探讨