This avoids the problem of congesting the network channel with non-critical resources when a high-priority request is pending.

在有高优先级的请求等待时，该功能可以避免让非关键资源占用网络通道的问题。

youdao

The caller can't just put any request message format on any request channel; it has to know exactly the right message format and channel for the specific service it wishes to invoke.

调用方不能将所有的请求消息格式都放置在任何一个请求通道上；它必须准确地知道希望调用的特定服务的正确消息格式和通道。

youdao

First, send the request using any transport channel, and receive the response using a different channel but with the same type of transport.

首先，使用任何传输通道发送请求，并使用一个具有同类型传输的不同通道接收响应。

youdao

He is due to return to London, with a welcome at the House of Lords, Wednesday afternoon, after taking the ferry from Calais to Dover because his request to walk through the Channel Tunnel was refused on safety grounds.

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