单词：catalytic muffler
catalytic muffler的用法和样例：
例句
- The steady flow in the catalytic converters of CNG was simulated.对天然气汽车尾气催化转化器的流场进行了稳态流动的数值模拟。
单词：catalytic muffler 相关文章
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2006年NPR美国国家公共电台
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地道美语播客
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英语新闻