burning off steam
燃烧蒸汽
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The catalyst regeneration can be carried with air and steam for burning off the coke, and the activity of the regenerated catalyst was similar to that of fresh catalyst.
可用常规的空气和水蒸气进行烧焦再生，再生剂的活性与新鲜催化剂相当。
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