根据您的要求，我认为 Azure数据工厂是您的理想选择.

Based on you requirements, I think Azure Data Factory is your perfect option.

您可以遵循以下教程配置Cosmos DB输出和Azure Blob存储输入.

You could follow this tutorial to configure Cosmos DB Output and Azure Blob Storage Input.

输入:

Input:

输出:

Output:

然后使用复制管道来处理数据.

Then use Copy Pipelines to process data.

复制管道:

Copy Pipelines:

结果:

Result:

希望它对您有帮助.