contact action是什么意思 contact action怎么读
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"
展开更多
