几种新结构的室外光缆
Outside optical fiber cables of the new structures
于建筑物内（室内光缆）或建筑物之间（室外光缆）的高传输速率网络应用：光缆主干布线；
In buildings ( indoor cable ), or between the buildings ( outdoor cable ) high-transfer rate network applications : optical trunk cabling ;
室外光缆