电源开关和电源盒接线端及小型收音装置的电源接线端通过导线相连接构成电路回路；
The power switch, the junction of the power supply box and the junction of power of the small radio devices are connected forming a circuit loop through leads.
电源开关和电源盒接线端及小型收音装置的电源接线端通过导线相连接构成电路回路；
The power switch, the junction of the power supply box and the junction of power of the small radio devices are connected forming a circuit loop through leads.
应用推荐