词语解释
LTU Line Terminating Unit 线路终接单元LTU Low Traffic User 低业务量用户 1. Line Terminating Unit -- 线路终接单元 2. Low Traffic User -- 低业务量用户
LSD | LSC | LSB | LSAP | LSAN | LSA | LS | LRUR | LRI | L-REP | LRE | LRDF |