XT-P1007 unsaturated polyester resin is reactive flame retardant resin, pultrusion process for the production of specialized fire retardant products.是什么意思_XT-P1007 unsaturated polyester resin is reactive flame retardant resin, pultrusion process for the production of specialized fire retardant products.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句