英文關鍵字
abstract
analog
block
cable
cables
closeup
communication
computer
connect
connection
connector
copper
cutting
digital
distribution
exchange
facsimile
fax
insertion
instrument
insulated
internet
lan
lines
net
network
networking
number
pair
panel
patch
pbx
phone
plastic
professional
punch
punchdown
row
rubber
slot
surf
switchboard
tech
telecommunication
telephone
telephony
tool
white
wide
wires