The convenient socket is composed of a socket and a rotary mechanism, wherein a rotary ring mechanism is penetrated through a socket panel and is arranged on a base of the socket;
该方便插座由插座、旋转机 构组成，转环机构穿过插座面板，安装在插座的底座上。
A convenient way to find a free port is to pass in a null address, which automatically binds the socket to the local host address and USES a free ephemeral port.
找到空闲端口的便利方法是传递一个null地址，它会自动将套接字绑定到本地主机地址，并使用空闲的临时端口。
Compared to original technology, the socket has the advantage of simple structure, convenient and quick replacement, safe and reliable application etc.
与现有技术相比，该插座具有结构简单、换装方便快捷、使用安全可靠等优点。
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