大水泵机组并联运转
big pump unit parallel running
全流量水泵容量
full flow pumping capacity
应急柴油机水泵机组
emergency diesel water pump set
大流量安全阀
relief valve with large flux
大流量高速电磁阀
Great flow rate and high speed solenoid valve
大流量换向阀
large flow Reversal Valve
大流量快速移架系统
large volume quick movement