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| 91. | rough bore hose |
| 露线式胶管 |
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| 92. | trial bore hole |
| 试探钻孔 |
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| 93. | uncased bore hole |
| 无套管钻孔 |
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| 94. | bore riding pin |
| 膛内保险销 |
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| 95. | variable bore ram |
| 变径闸板 |
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| 96. | seal bore extension |
| 密封筒加长短节 |
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| 97. | Release bearing bore. |
| 释放轴承内孔。 |
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| 98. | bore diameter variation |
| 内径变动量 |
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| 99. | bore for coal |
| 钻探煤炭 |
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| 100. | a ferocious bore |
| 非常讨厌的家伙 |
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