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81. | trailing characteristics |
| 牵引特性 |
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82. | industrial frequency traction |
| 工频牵引 |
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83. | pulling equipment |
| 牵引设备 |
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84. | running under power |
| 牵引运行 |
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85. | traction coefficient |
| 牵引系数 |
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86. | tractive magnet |
| 牵引电磁铁 |
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87. | traction element |
| 牵引元件 |
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88. | vehicle tractive capacity |
| 牵引能力 |
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89. | traction system |
| 牵引系统 |
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90. | accumulator drive |
| 电池牵引 |
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