S8500业务板收到路由协议报文后如何处理？
参考答案：
1、业务板接收到协议报文，上送主控板
2、主控板完成相关计算后，下发控制消息更新业务板的路由信息
It is reported that single-parent children _____ some of the functions that the absent adult in the house
would have served. [ ]
A. take up
B. take over
C. take in
D. take on
测得某风机入口动压为10Pa，静压为-10Pa，出口动压为30Pa，静压为200Pa，试计算该风机的全风压。
