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31. | combined jewel bush |
| 组合钻 |
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32. | adjustable cutter bush |
| 调刀轴环;刀杆调整环 |
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33. | king pin Bush |
| 主梢衬套 |
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34. | bush boring machine |
| 镗瓦机 |
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35. | The Australian bush. |
| 澳大利亚的未开垦荒野 |
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36. | bush-administration n. |
| 布什政府 |
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37. | valve stem bush |
| 阀杆衬套 |
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38. | Straight Guide Bush |
| 直导套 |
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39. | axle suspension bush |
| 抱轴瓦 |
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40. | crankshaft bearing bush |
| 曲轴轴承瓦片|曲轴衬套 |
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