C#输出字符串，时没识别\

string strCmd = string.Format("wmic computersystem where Name=\"%%COMPUTERNAME%%\" call JoinDomainOrWorkgroup Name=\"{0}\"", text_workgroup.Text);怎么会是strCmd = wmic computersystem where Name=\"%%COMPUTERNAME%%\" call JoinDomainOrWorkgroup Name=\"SFA-SERVER\"，我想得到
wmic computersystem where Name="%%COMPUTERNAME%%" call JoinDomainOrWorkgroup Name="SFA-SERVER"