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市内通信

市内通信

市内通信

市内通信

1

The local telecommunications operation areas shall be promulgated by DGT.

市内通信营业区域，由电信总局公告之。

2

For direct - burial long haul line . Bridge and culvert , Duct , Bullet - proof aerial deployment and LANs.

长途通信直埋干线，桥涵，管道，架空（防弹）及市内通信。

3

Solid insulated filled cables are designed for duct use in local telephone network .

实心绝缘填充型电缆是为市内通信网而设计的市内通信电缆。

4

Realization of the special performance of insulation resistance of urban communications cable and measures for improvement

市内通信电缆绝缘电阻特殊要求的实现和措施

5

Local telecommunication cables with polyolefin insulation and polyolefin sheath

聚烯烃绝缘聚烃护套市内通信电缆

6

8

Design and Production of Copper-Clad Aluminium Conductor Cables for Local Communications

铜包铝芯市内通信电缆的设计与制造

9

The Application of Copper-Clad Aluminium Conductor in Local Communications Cables

铜包铝线在市内通信电缆中的应用

10

Design and Research into an Automatic Measuring System for Local Communication Cables

市内通信电缆自动测试系统的设计与研究

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