批传送程序BTP ？
传送重试队列中当前具有的批通知数。启用应用程序时，此计数器会定期进行更新。
The number of current notification batches in the delivery retry queue. This counter is updated periodically when the application is enabled.
传送重试队列中当前具有的批通知数。启用应用程序时，此计数器会定期进行更新。
The number of current notification batches in the delivery retry queue. This counter is updated periodically when the application is enabled.
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