低压线路针式绝缘子  low tension line pin-type insulator; pin type insulator for low voltage line

防污型高压线路针式绝缘子  pin type anti-pollution insulator for high voltage over-head line

高压线路针式绝缘子  pin type insulator for high voltage line

带电线路绝缘子  insulators of live lines

封装式电子电路  packaged electronic circuit

交联乙烯-四氟乙烯(XETFE)绝缘电线电缆  crosslinked ethylene-tetrafluoroethylene(XETFE) insulation wires and cables

无线电话电路  circuit; radio telephone

特高压线路绝缘子  UHV line insulator

线路绝缘子  insulator for overhead line; line insulator; suspension insulator; Transmission line insulator

高压针式绝缘子  high-voltage pin insulator; high tension pin-type insulator

针式绝缘子  pin insulator; pin type insulator

《陆海军联合无线电话电报规程》  Joint Army and Navy Radiotelegraph and Radiotelephone Procedure

800kV直流电子式电流互感器  800 kV DC electronic current transformer

安装式电子电能表  installation type electronic energy meter

按钮式高速脉冲拨号电子电话的呼叫系统  push button high-speed pulse dialling calling system for electronic telephone

帮流电话电路  booster telephone circuit

本地电话线路  LTC Local Telephone Circuit

玻璃纤维绝缘电线  glass fiber insulated wire

薄膜电子电路  thin film electronic circuit