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61. | ratchet magnetic pulse oscillator |
| 磁性脉冲振荡器 |
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62. | reversible ratchet magnatic screwdriver |
| 可逆式磁性螺钉旋具 |
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63. | ratchet wheel pawl bracket |
| 棘轮掣子托 |
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64. | ratchet outside line-up clamp |
| 棘轮式外对管器 |
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65. | ratchet winding wheel spring |
| 上条大钢轮簧 |
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66. | square shank ratchet drill |
| 方柄扳钻 |
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67. | ratchet-tooth lever escapement |
| 尖齿式擒纵机构 |
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68. | ratchet wheel cover support |
| 大钢轮盖板座 |
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69. | deck sash ratchet catch |
| 顶棚窗棘轮止铁 |
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70. | heavy duty ratchet bit brace |
| 重型弓型钻 |
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