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| 31. | dual-locomotive traction |
| 双机牵引 |
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| 32. | axis of traction |
| 牵引轴 |
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| 33. | backward haulage |
| 逆向牵引 |
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| 34. | pneumatic traction |
| 气力牵引 |
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| 35. | animal traction; animal hauling |
| 畜力牵引 |
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| 36. | tractive power supply system |
| 牵引供电系统 |
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| 37. | towed artillery |
| 牵引炮 |
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| 38. | drag disk harrow |
| 牵引圆盘耙 |
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| 39. | traction machinery |
| 牵引机械 |
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| 40. | protractor muscle |
| 牵引肌 |
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