 |
| English | Chinese |
| optical fiber digital loop carrier system | 光纤数字环路载波系统 |
| optical fiber subscriber loop carrier equipment | 光纤用户环路载波设备 |
|
| English | Chinese |
| optical fiber digital loop carrier system | 光纤数字环路载波系统 |
| optical fiber subscriber loop carrier equipment | 光纤用户环路载波设备 |