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1920年9月4日

1分钟阅读

在荒野中建造

工程师必须铺设铁路才能到达工作地点的地方

作者：A. R. Surface

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This article was originally published with the title “Building in the Wilderness” in 大众科学 Magazine Vol. 123 No. 10 (September 1920), p. 218
doi:10.1038/scientificamerican09041920-218

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