英语词汇catalytic cracker怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	catalytic cracker
释义	catalytic crackern.（名词） An oil refinery unit in which the cracking of petroleum takes place in the presence of a catalyst.催化裂化器：由于催化剂的存在而发生石油裂化的炼油装置
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