dross filter的用法和樣例：
例句
- A pleated filter can capture virtually all the visible dust that reaches it.
帶褶的濾網幾乎可以捕獲所有落於其上的可視灰塵。 - 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.
多孔介質模型形象地描繪出了二次濾網的內部流場，獲得了該型號濾網的內部流動規律。
