现场是否有以下文件：工厂卫生区域布局图、空调净化系统分布图和压差布置图。

Documents to be provided: factory layout of hygiene zones, distribution of HVAC systems, and layout showing differential.

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其具体过程是对净化后的网页文件，使用CDC进行内容块的分割，使每个网页成为许多内容块的集合。

After noise purification of web was extracted of the theme of the web, using CDC division each document and document become so many elements of the set which is pieces of content.

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在无尘室内做维护保养时，维修人员要遵守无尘室管理规定，穿好净化服，并对维修工具进行有效的清洁；具体参见文件P - PCE - COM - 059。

Technician on duty must obey the rule, take cleaning cloth and clean maintenance tools when doing maintenance in clean Room. Refer top-pce-com-059.

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