four-way valve [机] 四通阀 ; 四通换向阀 ; 换向阀
two-position four-way valve 二位四通阀
reversing four way valve 四通回动阀
three position four way valve 三位四通阀
four-way valve service kit 四路阀维修包
solenoid operated four-way valve 电磁四通阀
three position four-way valve 三位四通阀
four-way plug valve 四通旋塞阀 ; 四通塞阀 ; 四通
In addition, the measurement on pressure loss cross one side of four-way diverter valve has been carried out and some questions on pressure loss of four-way diverter valve are posed.
同时，也对四通换向阀进行了单侧压力损失测量，对四通换向阀说明书上的压力损失参数的准确性提出了质疑。
To change this four-way valve will only take five minutes.
换这个四通凡尔只需要五分钟。
Two design strategies that three-way valve control unsymmetrical cylinder and four way valve control symmetrical cylinder were analyzed from principle and system structure aspects.
对船用舵机泵控系统中位置控制单元的三通阀控制非对称缸和四通阀控制对称缸的两种设计方案进行了理论分析和系统结构分析。
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