ATTACHREQUEST/ATTACHACCEPT包含于哪条空口RRC消息内()
A . RRCCONNECTIONSETUP/RRCCONNECTIONSETUPCOMPELTE
B . RRCCONNECTIONSETUPCOMPELTE/RRCCONNECTIONRECONFIGURATION
C . RRCCONNECTIONREQUEST/RRCCONNECTIONSETUP
D . RRCCONNECTIONRECONFIGURATION/RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE
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