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内蒙三盛公工程局去年12月给总局苏联专家卡里曼诺夫一信,询问关于在冬季条件下采用“冷混凝土”的问题。本文是卡专家给三盛公工程的复信。
In April last year, Inner Mongolia Shengsan Gongjiyebongbang gave a letter to the Soviet Union expert Karimmanov in December last year about the use of “cold concrete” under winter conditions. This is a card expert to three Sheng Gong project complex letter.