lead-in wire造句

• Investigation into lead - in wiring of high - rise large buildings
  大型高层民用建筑电源引入方式探讨
• Generally speaking , adsl is a promising broadband access technology . however , while providing adsl services , telcos should take account of all factors deciding the transmission performance of adsl , including subscribers lead - in wire and office wire
  Adsl是一种很有希望的宽带接入技术，但是在提供adsl业务时，应注意包括用户引入线和局内线等在内的各种影响adsl传输性能的因素。