只要是电源线仍接插在墙上电源插座，即使关掉机器上的电源开关，但机器仍并没有完全断开AC主电源。
The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off.
我公司是国内专业生产耳机、电源插座、开关制造商之一。
Our company is a professional manufacturer producing earphones, power jacks and switches.
是从事开发、研究和生产开关插座、移动式电源插座（电源转换器）、工程地拖苏及各种电源插头等系列产品的专业厂家。
We'reone of the biggest professional manufacturers of developing. researching and producing switch socket, removable power socket ( power converter) and all kinds of power switch.
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