Большой англо-русский и русско-английский словарь
горн. pillar extraction, pillar mining, second mining, pillaring, posting, second working
Англо-русский словарь технических терминов
pillar extraction, pillar mining, second mining, pillaring горн., posting, second working
Русско-английский политехнический словарь
pillar extraction, pillar mining, second mining, pillaring горн., posting, second working
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stooping