音标：['ʌltrəkl'i:n] ；

超净，特净

词性分布：

形容词100%

ultra-clean的用法和样例：

例句

Put the article and culture needed on the ultra.把接种所需要的物品和培养基在超净工作台上摆好。
Clean Bench length of life related to the degree of air cleanliness.超净台使用寿命的长短与空气的洁净程度有关。

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