求翻译：垂直单向流超净工作台广泛用在需要局部净化的区域。试验室、生物制药、光电产业、微电子、硬盘制造等领域。垂直单向流超净工作台具有高洁净度，可连接成装配生产线、低噪音、可移动等优点。是什么意思？

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