... valve handle 阀柄; 阀杆; 阀门手轮 valve head 阀头; 气门头 valve head deposits 气门头积炭 ...
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不锈钢阀头和阀座延长使用寿命。
Stainless steel valve head and seats provide long service life.
采用HPB591国标黄铜阀头,品质有保障。
通过将电子膨胀阀与受控对象(蒸发器)细化分开来,并依据恒定开环增益准则从理论上分析了阀头补偿原理。
Through dividing electronic expansion valve from evaporator system and based on constant gain of superheat open loop rule, the compensation theory of valve head was analyzed.
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