The3- way magnet valve( pos. no.73) is never deenergized, but the cause of energizing is eliminated and the electric circuits of the engine protecting system are reset.是什么意思_The3- way magnet valve( pos. no.73) is never deenergized, but the cause of energizing is eliminated and the electric circuits of the engine protecting system are reset.在线翻译_英语_读音_用法_例句