Arched corrugated steel roof is a novel kind of thin-shell structure and is widely used in China.

  • 拱形波纹钢屋盖是一种新颖的金属拱形薄壳结构,在我国已经得到了广泛的应用。

  • 互联网摘选 2025-01-19 23:46:43

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