Unverified83% confidenceCautionTime unknown
缝隙宽度＜2mm不建议用环氧彩砂，其骨料颗粒难以填实且易浪费，应选择细缝专用美缝剂或真瓷胶；缝隙＞5mm且有伸缩需求（如阴阳角、不同材质交界）应选MS胶或硅酮胶而非硬质环氧
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