Methods Sampling method was used. On basis of food hygiene law , a spot investigation was conducted.

方法抽样调查，依据《食品卫生法》的要求，现场调查。

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Methods Sampling method was used. On basis of food hygiene law , a spot investigation was conducted.

方法抽样调查，依据《食品卫生法》的要求，现场调查。

youdao