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2013-05-23 12:21
求翻译：It has long been known that textile materials, that is spun yarns, extruded filaments, woven fabrics, knitted fabrics, non-woven materials and the like can be rendered more opaque by the addition of various metal oxides, such as titanium dioxide thereto.是什么意思？ 待解决
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It has long been known that textile materials, that is spun yarns, extruded filaments, woven fabrics, knitted fabrics, non-woven materials and the like can be rendered more opaque by the addition of various metal oxides, such as titanium dioxide thereto.
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