The poison element of ceramic ornamental materials and its changes of the limit allowed is described, and its research tendency and realistic state is summed up.
对陶瓷装饰材料中有毒害元素和其允许限定值的变迁进行了论述，归纳了其研究动向与现实状况。
The poison element of ceramic ornamental materials and its changes of the limit allowed is described, and its research tendency and realistic state is summed up.
对陶瓷装饰材料中有毒害元素和其允许限定值的变迁进行了论述，归纳了其研究动向与现实状况。
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