发布时间:2025-01-31 05:06:35
正度8开纸张的尺寸为:白料260mm×370mm,成品250mm×353mm,大致相当于两张A4纸的尺寸(210mm×297mm)。开本的大小是以全张纸为基准,将全张纸裁切和折叠成多少小张,便称为多少开本。
请问谁有褪色的标准外墙涂料的褪色标准色度要求施工单位承诺5年不褪色能否做到
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