solenoidn.螺线形电导管Solenoid Valves Island电磁阀岛solenoid valve for gas煤气电磁阀solenoid microinductor螺线管微电感solenoid servomechanism螺线管伺服机构solenoidal vector field螺线向量场solenoid electric valve电磁控制阀solenoid operated valve螺线管阀Solenoid Pack Connector电磁螺线管包接头solenoid-and-plunger插棒式铁芯螺线管solenoidal magnetization线管磁化,纵向磁化