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| 硬质合金; 超硬钢刀刃 | |||
| 硬质合金片; 硬质合金刀头; 精磨刀片 | |||
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carbide tip : 3 phrases in 3 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Technology | 1 |
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