英文關鍵字
8p8c
blink
cable
cabling
color
communication
computer
connect
connection
connector
data
device
digital
diode
electric
electrical
electronic
equipment
flashing
information
instrument
internet
lan
link
macro
maintenance
measure
measurement
meter
metering
modern
net
network
object
plastic
port
power
rj45
service
shot
slider
specialist
switch
system
technology
tester
tools
transfer