To counter the problems existing in the establishing of MAN (metropolitan area network), the author puts forward fiber-optic cabinet, introduce its principle functions and application in MAN.
针对目前城域网建设中存在的问题，介绍光缆交接箱的原理、功能以及在城域网建设中的应用。
We integrate the switch gear cabinet part and rectifier part besides the functions of switch cabinet this design also has rectifying control functions on solid-state H. F. welders.
将开关柜与整流部分实现一体化设计，除完成开关柜功能外，还具有固态高频焊机的整流控制功能。
We integrate the switch gear cabinet part and rectifier part besides the functions of switch cabinet this design also has rectifying control functions on solid-state H. F. welders.
将开关柜与整流部分实现一体化设计，除完成开关柜功能外，还具有固态高频焊机的整流控制功能。
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