The vacuum source is connected to the bottom of the valve, one sideconnection is for a gauge, the other side connects to the system in which vacuum is to be controlled.
真空源连接到阀门的底部，一边连接的压力表，对方连接到系统中，真空被控制。
2
Contrast this with a client application where one side of the connection is a message channel agent and the other is application code.
这与客户端应用程序形成鲜明对比，其中连接的一端是消息通道代理，另一端是应用程序代码。
3
In summary, because SSL USES certificate authentication, each side of the SSL connection must possess the appropriate keys in a key store file.