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The metal corrugated pipe culverts have more advantage than normal concrete culvert especially in high - cold area.
特别是在寒区工程中,应用波纹管涵洞更显其优越性.
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The corrugated steel pipe culvert is essentially different from concrete culvert on the structure.
钢波纹管涵与混凝土涵在结构上有着根本不同的特性.
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