The dispersion of filler and fire retardant agent is the important factor for the performance of ultrathin intumescent fire retardant coating.是什么意思_The dispersion of filler and fire retardant agent is the important factor for the performance of ultrathin intumescent fire retardant coating.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句