我理解是引擎低温工况不完全燃烧比例高，排放肯定高，CAT是在高温工作以减排，进气温度低于出气温度，所以需要更多介质材料

来源: mountrobson 于 2022-10-18 15:28:27 [旧帖] [给我悄悄话] 本文已被阅读：次

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