短语词组短语先锋BDC PIONEER BDC -SBDC C 备份域控制器txt bdc 白帝城bdc bit bdc 钻头bordercolor bdc 边框颜色COMBO BDC 蓝光BDC Backup Domain Controller 备份域控制器先锋BDC -S02 PIONEER BDC-S 返回 BDC