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7.1 Introduction Definition 1 A mixture of two or more materials that are distinct in composition and form,each being present in significant quantities (e.g.,>5%). 两种或多种不同组成、不同存在形式材料的 混合物,各以显著量存在 PDF文件使用"pdfFactory Pro'”试用版本创建wm,fineprint.com,cn 7.1 Introduction Definition 1 A mixture of two or more materials that are distinct in composition and form, each being present in significant quantities (e.g., >5%) . 两种或多种不同组成、不同存在形式材料的 混合物,各以显著量存在 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
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