dual in-line pin switch
low tension line pin-type insulator
pin insulator for telephone line
pin type anti-pollution insulator for high voltage over-head line
pin type insulator for high voltage line
pin type insulator for low voltage line
water line interferes withejector pin
Double line-line voltage control
line-line extreme distance
line-line topological relation in traffic network
loss-free line (=lossless line =lossless transmission line)
SDSL Single-Line Digital Subscriber Line，Single-Line DSL
10-line to 4-line BCD encoder
A line used as both sterile and maintaining line
agonic line {agonic line of no declination}
cytoplasmic male sterile line CMS-line