GB/T 17634-1998 Geotextiles and geotextile-related products-determination of the characteristic opening size-wet sieving method[S].Beijing:China Planning Press,1998.

• GB/T 17634-1998 土工织物及其有关产品有效孔径的测定湿筛法[S].；北京:中国计划出版社；1998