The single-valve tower, three valves tower and integration iron tower designed by our company got the national patent.
设计的“单管塔”、“三管塔”和“一体式铁塔”均获得国家专利；
The valve in this panel is the mixer of the single lever and is the three way diverter.
在这个盘区的阀门是唯一杠杆的搅拌器并且是三通的分流电阻。
The unit which consisted of two peristaltic pumps and a multi function sampling valve was controlled by a single chip microprocessor.
该仪器采用二泵一阀系统，由单片机控制，具有双路信号实时采集和数据处理功能。
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