abbr.深散射层（=Deep Scattering Layer）
abbr.数字用户回路（=Digital Subscriber Line）
Broadband includes DSL and cable modem service. 宽带包括DSL和电缆调制解调器服务。
Power on your cable or DSL modem first. 先将Cable Modem或DSL Modem的电源打开;
Ying Feiling is the main firm in DSL area. 英飞凌是DSL区域中的首要厂商。
Would it be too much to ask to get a DSL in here? 如果我要求安装DSL宽带，是不是要求太高了？
Service Strategies on DSL - how to maintain ARPU levels? 欧洲宽带市场的服务策略?
