多项选择题X 纠错
A.install CRS software
B.back up CRS data
C.repair a CRS installation
D.back up CallManager data
E.remove a CRS installation (uninstall)
F.activate CRS components
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单项选择题
A.one language for both the CAD and the CSD
B.one language for the CAD and a different language for the CSD
C.two languages for the CAD and one language for the CSD
D.two languages for both the CAD and the CSD
