Comparative Analysis of Water Saving Efficiency of Floating Balls with Different Load Weights Covering Plain Reservoirs in Arid Area
LI Cun-li, YAN Xin-jun, SHI Ke-bin
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2017, (5): 14 -17 .  DOI: 10.11988/ckyyb.20160005