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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The invention discloses a clean bench, which relates to the technical field of developed bench providing clean working environment without germs and dust.

一种净化工作台，涉及提供无菌无尘洁净工作环境的进化工作台的技术 领域。

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BSU is small HEPA filter and fan unit, which is used for many purposes by users plan such as simple clean bench, clean booth , clean passbox& clean garman stocker etc.

该装置是一种提高局部小环境洁净度等级的空气净化产品，利用净化单元可制作简易洁净工作台、净层流罩、净传递柜和洁净存衣柜。

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Almunia has been in impressive form having kept 11 clean sheets in 22 games this season, relegating Germany international Jens Lehmann to the substitutes' bench.

BBC: Almunia open to England call-up