A.65 B.68 C.75 D.78
A.SC節(jié)點(diǎn) B.PA節(jié)點(diǎn) C.PR節(jié)點(diǎn) D.CC節(jié)點(diǎn)
A.C-WTVC B.NEDC C.FTP75 D.JC08