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| искусственная фрагментная структура (consisting of small slightly porous angular fragments formed by tilling); фрагментная структура (consisting of small slightly porous angular fragments formed by tilling) | |||
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| искусственная фрагментная структура (consisting of small slightly porous angular fragments formed by tilling); фрагментная структура (consisting of small slightly porous angular fragments formed by tilling) | |||
