双阀滤池改造成高效滤池的实践
叶同清, 刘荣军
Application of the highly efficient filter bed which was reformed from the twin-valve filter bed
Ye Tongqing, Liu Rongjun
工业水处理 . 2005, (12): 73 -76 .  DOI: 10.11894/1005-829x.2005.25(12).73