HDSL High – speed Digital Subscriber Line

high-speed digital subscriber line

single-pair high speed digital subscriber line

very high speed digital subscriber line

Very high-speed digital subscriber line

Very-high-speed Digital Subscriber Line

HDSL High – speed Digital Subscriber Loop

very high speed digital subscriber lines

very high-speed digital subscriber lines

moderate speed digital subscriber line

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

SDSL Single-Line Digital Subscriber Line

single-line digital subscriber line

Beijing-Shanghai high-speed line

digital high-speed photography

fast-speed (high-speed) railway

full line high speed

GDS Global Digital high Speed road

HDSL High – bit(data) – rate Digital Subscriber Line