The safety of vegetable pollution by heavy metals was evaluated referring to national food hygienic and vegetable quality gradation standards.
参照国家食品卫生标准和蔬菜质量分级标准，对蔬菜的重金属污染程度进行了安全性评价。
The safety of vegetable pollution by heavy metals was evaluated referring to national food hygienic and vegetable quality gradation standards.
参照国家食品卫生标准和蔬菜质量分级标准，对蔬菜的重金属污染程度进行了安全性评价。
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