单词：secondary filter
secondary filter的用法和样例：
例句
- The flow field around the secondary filter was vividly characterized with a porous medium model, so that the flow pattern around this kind of filter was readily obtained.多孔介质模型形象地描绘出了二次滤网的内部流场，获得了该型号滤网的内部流动规律。
- By replacing your air filter annually, or biannually if you live in a dusty area, you'll ensure the engine can breathe freely.每年换一次过滤器或者在沙尘多的地方每半年更换一次能保证你的爱车引擎自由呼吸。
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实用英语
[0:0]feedback female fertile fertilizer反馈,反馈信息 雌的,女性的 肥沃的,富饶的 肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日 纤维 小说 凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件 过滤器,过滤咀 最后,终于 财政,金融 [3:1.05
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白鲸记
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阅读空间
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