ＳＤＳＬalso: エスディーエスエルMeanings1nounsymmetric digital subscriber line; SDSLtelecommunicationsTechnical term in telecommunications; a type of DSL with equal upload and download speeds.ＳＤＳＬは上のぼりと下くだりの速そく度どが同おなじです。SDSL has the same upstream and downstream speeds.
