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81. | eraser tool |
| 擦除工具 |
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82. | information tool |
| 情报传递工具 |
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83. | gradiomanometer tool |
| 压差密度计 |
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84. | interpretative tool |
| 解释工具 |
|
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| |
85. | perforating tool |
| 穿孔工具 |
|
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86. | trepanning tool |
| 套料钻 |
|
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87. | boring tool |
| 镗刀 |
|
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| |
88. | percussion tool |
| 冲击钻具 |
|
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| |
89. | offset tool |
| 偏刀, 鹅颈刀 |
|
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90. | extraction tool |
| 拔插件工具 |
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