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The technology as well as the component proportion of the fire - retardant coating was introduced.
介绍了本防火涂料的组分配比,生产工艺.
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However, applying expansible fire - retardant coating to steel structure is an effective way to protect it.
然而采用钢结构膨胀型防火涂料是一种有效的防火保护方法.
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