短語詞組短語secondary alarm circuit 輔助報警廻路secondary voltage circuit 二次電壓廻路secondary electrical circuit 電氣二次系統(tǒng)secondary controlling circuit 二次控制廻路secondary electric circuit 電氣二次廻路secondary invert circuit 二次逆變電路secondary voltage circuit fault 二次電壓廻路故障secondary ignition circuit 次級點火電路secondary cooling circuit 二次冷卻廻路 返回 secondary circuit