5/2 txoj kev solenoid valve muaj tsib ports, ob txoj haujlwm valve uas tso kua rau ob qho tib si ntawm ob qho hluav taws xob kom tso tawm {}}
5/2 txoj kev solenoid valve muaj tsib ports, ob txoj haujlwm valve uas tso kua rau ob qho tib si ntawm ob qho hluav taws xob kom tso tawm {}}