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61. | line isolating switch |
| 线路断路器 |
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62. | close the course |
| 封闭线路 |
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63. | Dribbler's path |
| 运球线路 |
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64. | line maintenance |
| 线路维修 |
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65. | Lights and Wires |
| 线路车灯 |
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66. | line choking coil |
| 线路扼流圈 |
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67. | multicircuit control |
| 多回路控制线路 |
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68. | line lightning arrestor |
| 线路避雷针 |
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69. | quality of track |
| 线路质量 |
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70. | low voltage line |
| 低压线路 |
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