Passing the message into the requestchannel causes the message to be accessed.
将讯息传递给要求通道会造成该讯息遭到存取。
2
The consumer can't just put a request on any requestchannel; it has to know the right channel to use to invoke the particular service it needs.
使用者不能将请求随便放到一个请求通道中，它必须知道用于调用其所需的特定服务的合适通道。
3
The WSDL associated with a requestchannel would describe what service that channel provides as well as the format of the request message the consumer must provide.