传送的设备编号
TFEN Transferred Equipment Number
线路设备编号
LEN Line Equipment Number
虚拟设备编号
VEN Virtual Equipment Number
中继设备编号
TEN Trunk Equipment Number
备案
register
Record
file
Recording
RECORDS
Putting on record
put on records
for the record
be filed with
registering relevant enterprise
Put on record
air borne sensor
备案制
registrationand recording system
file systems
标准化设备编目
standardized installation categorization
拨号备援自动回答装置
dial backup auto answer unit
DBAAU