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| 61. | rotary activated tool |
| 旋转式工具 |
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| 62. | electric power tool |
| 电力工具 |
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| 63. | directional orientation tool |
| 定向工具 |
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| 64. | directional drill tool |
| 定向钻井工具 |
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| 65. | cement carbide tool |
| 硬质合金工具 |
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| 66. | striking & forged tool |
| 锻打工具 |
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| 67. | tool azimuth angle |
| 工具方位角 |
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| 68. | compressed air tool |
| 压缩空气工具 |
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| 69. | tool subject n. |
| 工具课程 |
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| 70. | text retrieval tool |
| 文本检索工具 |
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