According to this method of multi-polar set dynamic balancing valve design concept is wrong.
而按照这一方法多极设置动态平衡阀设计概念是不对的。
2
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。
3
The Taco "Plus One" Multi-Purpose Valve is designed to add one more feature in every area of the valve's construction and provide you with more reliable flow control.