<span style="'color: rgb(70, 70, 70); font-
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<span style="'color: rgb(70, 70, 70); font-family: 宋体;
font-size: 14pt;"Times New Roman";"Times New
Roman";"Times New Roman";'>是金红石型颜料，粒径和无机处理的设
计提供了<span style="'color: rgb(77, 77, 77); font-
family: 宋体; font-size: 14pt;"Times New Roman";"Times
New Roman";"Times New Roman";'>高遮盖力（比表面积达<span
style="'color: rgb(77, 77, 77); font-family: |
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