... counter flow FRP cooling tower方形逆流冷却塔一、Specification: 1. Standard normal type标准型:FBL-50, 75,100,150,200,300,400,500,600,750 2. Standard multi-fan type ... ,200,250,300,400,500,600,700 2. square counter flow shallow water pond type:GFNLDP-75, 100,150,200,250,300,400 ... ,500,600,700 3. square counter flow industrial deep water pond type:GFNLGP-75, 100,150,200,250,300,400 ...