化学反应热喷涂
thermo-chemical reaction spraying
(Cu+Ni)化学镀
Cu+Ni) electroless plating
化学综合实验课程
comprehensive chemical experiment course
化学综合实验
chemical comprehensive experiment
Experiments of Comprehensive Chemistry
化学综合设计实验
Design of Chemical Comprehensive Experiments
化学总复习
the whole review of chemistry