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| 91. | CNC boring machines |
| 电脑数控镗床 |
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| 92. | precision boring bar |
| 精密镗孔刀杆 |
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| 93. | trepan boring machine |
| 套孔机 |
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| 94. | hydraulic boring lathe |
| 液压镗车床 |
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| 95. | sprayed boring tool |
| 棱锥形钻头 |
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| 96. | boring bar support |
| 镗杆支架 |
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| 97. | rope boring machine |
| 钢丝绳钻机 |
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| 98. | marine boring organism |
| 海船钻孔生物 |
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| 99. | reverse rotary boring |
| 反向旋转钻井 |
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| 100. | hydraulic percussive boring |
| 水力冲魂井 |
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