Most electrical sockets abroad are for two-pinned plugs.
国外的电源插孔主要是两项的。
However, as an analogy: extension points are like electrical sockets and extensions are like plugs.
但是，打个比方的话：所谓的扩展点就像是一个用电的插座而扩展就是那个插头。
Don't buy or use shoddy electrical products and power connection equipment, please buy qualified sockets.
不要购买、使用劣质的电器产品和电源连接设备，请从正规渠道购买多用插座。
Replaces faulty switches, sockets, control units and other elements of electrical systems.
更换损坏的开关，插座，控制单元和电气系统中的其它的元件。
Replaces faulty switches, sockets, control units and other elements of electrical systems.
更换损坏的开关，插座，控制单元和电气系统中的其它的元件。
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