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contact action的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
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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"
