two position valve 双位阀 ; 二位阀

two-position four-way valve 二位四通阀

two position two-way valve 二位二通阀

two position three-way valve 二位三通阀

two-position sequence valve 双位顺序阀

two-position solenoid valve 双位电磁阀

two-position adjustable sequence valve 双位可调顺序阀

electrically operated two-position solenoid valve 电操纵二位电磁阀

two-position threeway solenoid valve 二位三通电磁阀