| 1. | Optical digital loop carrier equipment sdh - base
同步数位阶层光数位回路载波机设备 |
| 2. | Optical digital loop carrier equipment sdh - based
同步数位阶层光数位回路载波机设备 |
| 3. | Optical digital loop carrier equipment sonet - base
同步光纤网路光数位回路载波机设备 |
| 4. | Optical digital loop carrier equipment sonet - based
同步光纤网路光数位回路载波机设备 |
| 5. | The key techniques , application and selected method of power line carrier equipment
电力线载波机的关键技术及应用 |
| 6. | Standard for quality inspection and evaluation of petroleum construction engineering . telecommunication engineering toll open - wire carrier equipment installing engineering
石油建设工程质量检验评定标准.通信工程长途通信明线载波电话安装工程 |
| 7. | Standard for quality inspection and evaluation of petroleum construction engineering telecommunication engineering toll open - wire carrier equipment installing engineering
石油建设工程质量检验评定标准通信工程长途通信明线载波电话安装工程 |
