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| подготовка руды (包括破碎,选别，烧结或团块等) | |||
| обогащение руд; рудоподготовка; обработка руды | |||
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矿石处理 : 9 phrases in 3 subjects |
| General | 4 |
| Oil processing plants | 1 |
| Technology | 4 |
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