Noun:

1. a coil of wire around an iron core; becomes a magnet when current passes through the coil

solicitvt.恳求；征求；勾引vi.(妓女)拉客solemnityn.庄严；庄重的仪式solenoidsn.螺线管（solenoid的复数）solenoidaladj.螺线管的；螺管式的solenoidalityn.无源性；无散性solenoid coil电磁铁线圈solenoid core螺线管芯solenoid lens螺线透镜solenoid brake螺线管制动器solenoid value电磁阀； 电磁活门solenoid relay螺线管式继电器solenoid valve电磁阀,螺线管操纵阀

1. No signal means the solenoid is not energized.
   没有信号，意味着电磁阀没有通电流。
2. Water is poured into the pipe before opening the solenoid.
   在打开螺线阀之前,先将水倒入管中。