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| 71. | crankshaft bearing bush |
| 曲轴轴承瓦片|曲轴衬套 |
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| 72. | valve stem bush |
| 阀杆衬套 |
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| 73. | axle suspension bush |
| 抱轴瓦 |
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| 74. | gland neck bush |
| 压盖内衬 |
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| 75. | bush-administration n. |
| 布什政府 |
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| 76. | bush boring machine |
| 镗瓦机 |
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| 77. | combined jewel bush |
| 组合钻 |
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| 78. | floating bush bearing |
| 浮动衬套轴承 |
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| 79. | Straight Guide Bush |
| 直导套 |
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| 80. | governor upper bush |
| 调速器上部轴承衬套 |
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