land-line facilities陆线设施
land-line charge陆线费
land-line陆线;陆上通讯线
land pipe line陆地管线
adjustment land-line土地线校正
land formation line岸边线
sea land demarcation line海陆分界线
Over-land supply line of petroleum陆上石油供应线
Power over a telephone land-line电话线供电
N（名词） a telecommunications wire or cable laid over land (电话通信)陆上线路