常見(jiàn)例句用作名詞 (n.)No signal means the solenoid is not energized.沒(méi)有信號(hào)，意味著電磁閥沒(méi)有通電流。Water is poured into the pipe before opening the solenoid.在打開(kāi)螺線(xiàn)閥之前,先將水倒入管中。 返回 solenoid