wash rate
... 配水配气系统filter underdrain system for air and water 冲洗强度wash rate 冲洗周期(过滤周期、滤池工作周期) filter runs ...
Back washing intensity
washing strength regulator
mud filter cake tester
冲洗强度(intensity of back washing),是指冲洗滤池时,单位层冲洗一次所耗用时间内通过的水量。