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建设项目环境影响报告表 - haian.gov.cn13.4g/kg (大鼠经口) 4 多亚甲基多 苯基异氰酸 酯 简称PAPI或粗MDI,一种含有不同官能度的多 亚甲基多苯基多异氰酸酯的混合物。通常单体
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