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| 51. | caterpillar traction |
| 履带牵引 |
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| 52. | pulling phenomenon |
| 牵引现象 |
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| 53. | power at the drawbar |
| 牵引功率 |
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| 54. | backward haulage |
| 逆向牵引 |
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| 55. | traction substation |
| 牵引变电所 |
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| 56. | tugging at the oars. |
| 牵引船桨 |
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| 57. | adhesion traction |
| 粘附牵引 |
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| 58. | axis of traction |
| 牵引轴 |
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| 59. | funicular traction |
| 缆索牵引 |
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| 60. | restraining effect |
| 牵引效应 |
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