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| 自攻螺钉 | |||
| 自攻丝螺丝 | |||
| 攻螺丝; 自动刻螺纹; 自攻丝螺钉; 自攻螺针; 自攻螺丝 | |||
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tapping screw : 16 phrases in 7 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Plastics | 2 |
| Space | 1 |
| Technology | 7 |
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