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| абразив; шлифовальный материал | |||
| мелющее тело (в шаровой мельнице) | |||
| абразивный материал | |||
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磨介 : 6 phrases in 4 subjects |
| General | 2 |
| Mining | 1 |
| Oil processing plants | 1 |
| Silicate industry | 2 |
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