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| right hand thread | |||
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| right-hand screw thread | |||
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右螺纹 : 20 phrases in 7 subjects |
| Automobiles | 1 |
| Chemistry | 2 |
| General | 1 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Technology | 13 |
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