流程图
<p>设备和管理平台通信流程图如下：</p>
<p>![IOT流程图](<a href="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=601dc9ba964799e32d1035bf62c4564f">https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=601dc9ba964799e32d1035bf62c4564f</a> "IOT流程图")</p>