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| волластонит | |||
| волластонит (минерал); досчатый шпат; дощатый шпат | |||
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硅 灰 石 : 33 phrases in 6 subjects |
| Construction | 1 |
| Drilling | 2 |
| General | 16 |
| Geology | 2 |
| Mining | 2 |
| Technology | 10 |
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