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| 81. | ratchet-tooth lever escapement |
| 尖齿式擒纵机构 |
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| 82. | oil-can ratchet autolock |
| 油壶的自动盖头 |
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| 83. | ratchet type grease cup |
| 棘轮式注油杯 |
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| 84. | ratchet magnetic pulse oscillator |
| 磁性脉冲振荡器 |
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| 85. | winding shaft ratchet pawl |
| 卷链轴掣子 |
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| 86. | ratchet winding wheel spring |
| 上条大钢轮簧 |
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| 87. | automatic spiral ratchet screwdriver |
| 自动擦旋螺丝批 |
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| 88. | square shank ratchet drill |
| 方柄扳钻 |
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| 89. | reversible ratchet magnatic screwdriver |
| 可逆式磁性螺钉旋具 |
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| 90. | ratchet wheel cover support |
| 大钢轮盖板座 |
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