contact action怎么读 contact action是什么意思
contact action的英文翻译是什么意思,词典释义与在线翻译
Noun:- acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction;
"of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"