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太原局的配方与1965年大桥局的第八方案所用材料是一样的,只是比例有出入。但大桥局没有采用第八方案,原因不明,现刊登此文,以供研讨。
The formula of Taiyuan Bureau is the same as the one used by the Bridge Bureau’s Eighth Scheme in 1965, except for the difference in proportions. However, the Bureau did not adopt the Eighth Scheme. For reasons unknown, this article is published for discussion.