拥有丰富的水处理产品的性能及价格方面的知识，如泵和阀等。
Well understand water treatment products in terms of performance and price, such as pump, valve, etc.
与有阀伺服系统相比，具有结构简单、操作方便、价格经济等特点。
Compared with the valve servo system, there are some advantages, such as: simple structure, convenient operation and low price, etc.
“电液集成块”与现有的液压控制阀相比，具有构成灵活、使用方便、价格低廉、体积小等特点。
Electrohydraulic integrated block has some advantages, flexible constitution, convenient to use, low price and compact construction, over existing hydraulic control valves.
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