第7部分：消息协议切换回顾。

Part 7: Message protocol switching revisited.

youdao

理想情况下，浏览器将仅会切换回IPv 4协议并建立连接。

Ideally, the browser will simply switch over to the IPv4 protocol and make a connection.

youdao

理想情况下，浏览器将仅会切换回IPv 4协议并建立连接。

Ideally, the browser will simply switch over to the IPv4 protocol and make a connection.

youdao