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开国大典旗杆竟由水管焊接而成!从22.5米起步,中国发展达新高度
一根35米长的无缝钢管,对新生的共和国来说,是一个无法企及的高度。开国大典旗杆设计者林治远和同事们千挑万选,选出4根直径不同的自来水管,一节一节地套起来,最后焊接成了长度为22.5米的旗杆。
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