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61. | rolling direction |
| 轧制方向|滚动方向 |
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62. | opposite direction |
| 反向|敌对方向 |
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63. | abeam direction |
| 正横方向 |
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64. | orbital direction |
| 轨道方向 |
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65. | southern direction |
| 南方 |
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66. | reverse direction |
| 逆向 |
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67. | cardinal direction |
| 基本方向<指北 |
|
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68. | antispin direction |
| 反螺旋方向 |
|
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69. | reference direction |
| 基准方向 |
|
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70. | trajectory direction |
| 轨迹方向 |
|
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