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| 81. | diving boring machine |
| 潜水钻孔机 |
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| 82. | boring spindle travel |
| 镗轴行程 |
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| 83. | scrape boring bar |
| 刮孔器 |
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| 84. | pilot boring bar |
| 有导径的镗杆 |
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| 85. | rod boring machine |
| 杆式镗床 |
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| 86. | duplex boring machine |
| 复式镗床 |
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| 87. | diamond boring machine |
| 金刚石镗床 |
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| 88. | cylinder-boring machine |
| 气缸镗床 |
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| 89. | standard boring tool |
| 标准钻开工具 |
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| 90. | power-auger boring |
| 电动螺钻 |
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