由流程引擎用于向集群发送消息。
It is used by the process engine to send messages to the cluster.
集群发送器通道必须指向承载集群存储库的队列管理器之一。
The cluster sender channel must point to one of the queue managers that hosts a cluster repository.
在本文所使用的拓扑中，两个put队列管理器的集群发送器通道都指向对方。
In the topology used in this article, the cluster sender channels of both put queue managers will point to each other.
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