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71. | mechanical traction |
| 机械牵引 |
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72. | traction transport |
| 牵引搬运 |
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73. | tractive performance |
| 牵引性能 |
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74. | normal traction |
| 正牵引 |
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75. | battery traction |
| 蓄电池牵引 |
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76. | drag chain |
| 牵引链 |
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77. | alternating current tractio |
| 交流牵引 |
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78. | off-road traction |
| 越野牵引 |
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79. | railless traction |
| 无轨牵引 |
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80. | traction crusher |
| 牵引碎石机 |
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