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单词 catalytic cracking
释义

WordReference Random House Unabridged Dictionary of American English © 2024
catalytic cracking, 
  1. Chemistrythe reduction of the molecular weight of hydrocarbons by a catalyst, accomplished in a petroleum refinery by a type of chemical reactor (catalytic crack′er). Cf. cracker (def. 8), cracking (def. 1).

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更新时间:2025/2/23 5:21:03