D4.7m风机砼冷却塔的改造
郭建国, 王长华
Reconstruction of 4. 7mexhaust fan and concrete cooling tower
GUO Jianguo, WANG Changhua
工业水处理 . 2001, (7): 45 -46 .  DOI: 10.11894/1005-829x.2001.21(7).45