single component polyurea 基本例句 单组分聚脲 So, as the complement for the bimaceral polyurea, the single-polyurea has the wide application foreground in the anti-crash and anti-seepage in the hydropower project.作为双组分聚脲施工技术的补充，单组分聚脲在水利水电工程中混凝土抗冲磨及防渗等方面具有广泛的应用前景。