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| 钢珠抛光; 钢珠滚光; 钢球抛光; 球滚光 | |||
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| 钢球滚压加工 | |||
| 钢球滚光; 球丸磨光法; 冲压磨面工序 | |||
| 钢球抛光 | |||
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ball-burnishing : 2 phrases in 1 subject |
| Metallurgy | 2 |
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