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中國農(nóng)業(yè)大學(xué)教授羅云波為學(xué)員們講授食品安全知識

2015年06月24日 15:57   來源：中國經(jīng)濟(jì)網(wǎng)   

中國農(nóng)業(yè)大學(xué)教授羅云波為學(xué)員們講授食品安全知識。中國經(jīng)濟(jì)網(wǎng)記者王澤彪/攝

（責(zé)任編輯：韓肖）

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