The article makes a comparison between properties of long and short fiber polyester base materials and analyzes the effects of the two materials on properties of modified bitumen membrane.是什么意思_The article makes a comparison between properties of long and short fiber polyester base materials and analyzes the effects of the two materials on properties of modified bitumen membrane.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句