Minor cracks holes and surface defects shall be made good with exterior grade water-mixed filler or masonry cement before application of the primer or first coat of paint.
在第一次应用或涂底漆之前，较小的裂缝、孔及表面缺陷应采用浆、水混合填料或水泥浆和砌浆进行填塞及填充。
3 selection should preferred coated thin fire retardant coatings, the selection of thickness of coating type paint, exterior to do decorative surface layer vibration protection.
3选用时宜优先选用薄涂型防火涂料，选用厚涂型涂料时，其外需做装饰面层隔护。
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