To explore the model of magnitude classificatory management on food sanitation of school refectories.

探讨学校食堂食品卫生量化等级管理模式，为加强学校食堂食品卫生管理提供依据。

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To explore the model of magnitude classificatory management on food sanitation of school refectories.

探讨学校食堂食品卫生量化等级管理模式，为加强学校食堂食品卫生管理提供依据。

youdao