时间：
2018
-
07
-
25
l Special low-bend-sensitivity fiber provides high bandwidth and excellent communication transmission propertyl Two parallel FRP strength members ensure good performance of crush resistance to protect the fiberl Single steel wire or messengers as the additional strength member ensures good performance of tensile strengthl Simple structure, light weight and high practicabilityl Novel flute design, easily strip and splice, simplify the installation and maintenancel Low smoke, zero haloge...