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91. | subscriber line circuit |
| 用户线路 |
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92. | toll telephone circuit |
| 长途电话线路 |
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93. | total line length |
| 线路总长度 |
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94. | circuit determinant |
| 线路行列式 |
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95. | trunk line circuit |
| 长途线路 |
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96. | exclusive route |
| 专营线路 |
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97. | track connection |
| 线路连结 |
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98. | switching equipment line | local line |
| 线路门号 |
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99. | double circuit line |
| 双回路线路 |
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100. | circuit loop break |
| 线路断开 |
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