区域性恒压供水
regional constant pressure water supplying
恒压/恒流型
Constant voltage or constant current type
恒压-恒流充电容量比
Ratio of potentio-charge capacity to galvano-charge capacity
恒压恒流电路
Constant Voltage Constant Current CVCC
恒压恒频
constant voltage and frequency
constant-voltage constant-frequency
恒压压汞分析
constant-pressure mercury injection
PCY恒压变量泵
PCY constant pressure variable pump
泵房恒压系统
pump house constant pressure system
变频调速恒压供水系统
Frequency conversion speed adjusting
变频恒压
Frequency variation
variable frequency and constant pressure
frequency conversion
variable frequency constant pressure
变频恒压给水
variable frequency and constant pressure water supply
变频恒压供水
constant pressure water supply
变频恒压供水控制设备
frequency conversion constant pressure water supply and control equipment
变频恒压供水系统
Frequency Constant-voltage Water Supply System
变频恒压控制
frequency conversion and unvarying pressure control