来源:International Journal of Technology , 2018
作者:Ferhat Aziz
关键词:Attenuation coefficient;Concrete composites;...
使用许可:CC BY-NC-ND
来源:International Journal of Technology , 2018
作者:Ferhat Aziz
关键词:Attenuation coefficient;Concrete composites;...
使用许可:CC BY-NC-ND