You won't need to specify the -v flag on subsequent connections; but it is quite useful to do so while testing a connection.
在后续连接中不必指定- v标志，但该选项对测试连接颇为有用。
2
For foot valve, replace inlet end connection with an F. V. screen housing assembly.
对于底阀，用一个F.V。滤网外壳组件更换进口连接管接头。
3
ssh opened a connection to db.linux-mag.com and passed the hostname -a -v arguments to the remote computer, which ran the command and returned the output to the local computer.
ssh 建立到 db.linux-mag.com 的连接，然后将 hostname -a -v 参数传递到远程计算机，该参数将运行这个命令并将输出返回到本地计算机。