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| |||
| 螺钉攻; 螺钉口龙头; 内螺纹模型 | |||
| 螺纹攻 | |||
| 丝锥 | |||
| 螺丝口龙头; 螺丝攻 (丝锥) | |||
| 螺丝攻 | |||
| |||
| 螺纹攻; 丝锥 | |||
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screw tap : 20 phrases in 3 subjects |
| Automobiles | 3 |
| Drilling | 1 |
| Technology | 16 |
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