To introduce technology requirement of galvanized steel wire for HYAC (self-supporting communication cable). Production process of galvanized steel wire for HYAC is explained.
介绍自承式电缆用镀锌钢丝的技术要求，说明自承式电缆用镀锌钢丝的一般生产工艺。
2
In case of aerial applications, this cable can be adapted for self-supporting structure with cable slack.
用于架空时，这种光缆还可以做成带松垂光缆的自承式结构。
3
Objective Explore self-supporting optical cable line guide wire threaded pipe endotracheal intubation in difficult intubation time of the application of the efficacy and safety.