"," attr":"{"be-class":"center"}"},夏天比较热,所以很多人只是夏天需要防晒。但是你买的防晒衣真的能防紫外线吗?根据国家标准,只有当紫外线防护系数UPF大于40,紫外线透过率小于5%时,才能称为“防紫外线产品”。所以购买防晒衣要看UPF值和紫外线透过率。”、" attr":"{"be-class":"center"}"},
来源:@中心视频"," attr":"{"be-class ":"中心" }"},
编辑:徐克"," attr":"{"be-class":"center"}"},
编辑:王安迪"," attr":"{"be-class":"center"}"}