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| 人造金刚石 | |||
| 工业用钻石 | |||
| 工业用金刚石 | |||
| 工业用金刚石 | |||
| 工业金刚石 | |||
| 碎粒金刚石; 黑金刚石 | |||
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industrial diamond : 9 phrases in 4 subjects |
| Earth sciences | 4 |
| General | 2 |
| Geology | 1 |
| Technology | 2 |
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