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| кварцит; силикаренит | |||
| кремнистый песок; гравий; крупный песок | |||
| кварцевый песок | |||
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石 英 砂 : 16 phrases in 4 subjects |
| Electronics | 4 |
| General | 6 |
| Geology | 3 |
| Technology | 3 |
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