black line and dot

Black Line Defect

black line of section

black-line print

Edge Black Line

marginal gingival black-line

black mark-line

black-start line

Double line-line voltage control

line-line extreme distance

line-line topological relation in traffic network

on-line line loss

loss-free line (=lossless line =lossless transmission line)

SDSL Single-Line Digital Subscriber Line，Single-Line DSL

Black boned chicken with black feather

BLACK OVER BLACK

Black-Scholes Option Pricing Model Black-Scholes

call white black、 swear black is white

infra-black region (blacker than black region)