英文關鍵字
accuracy
along
assembling
board
braided
cable
center
coaxial
communication
communicative
conductor
cut
distribution
electrical
entrance
entry
entryphone
equipment
hand
inner
input
installation
intercom
interline
interphone
knife
line
male
man
mount
packed
pair
phone
plier
prepare
ring
safety
secure
security
signal
specialist
strip
system
technician
technology
telecommunication
tool
wire
worker