This device is easy to control, simple in maintenance and low in cost; functionally it can substitute for metering pumps and electromagnetic flow meters used in system.
该装置易于控制，维护维修简单、成本低廉，功能上能取代系统中使用的计量泵和电磁流量计。
This device is easy to control, simple in maintenance and low in cost; functionally it can substitute for metering pumps and electromagnetic flow meters used in system.
该装置易于控制，维护维修简单、成本低廉，功能上能取代系统中使用的计量泵和电磁流量计。
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