基本解释[土木建筑工程]粗滤料英汉例句双语例句Granular media is as filter aid agent pre-coating in medium surface fabric used to be used for the coarse, filter;粒状介质是作为助滤剂预涂于织物介质表面使用，用于粗滤；专业释义土木建筑工程粗滤料