常見例句雙語例句The strain in lengthwise direction of the corrugated steel web is close to zero, much smaller than that of the concrete plate.波形鋼腹板的縱向正應變值比混凝土頂板、底板小得多,數(shù)值上接近于零。The invention discloses a lower flange improved corrugated steel web plate composite box girder and a construction method thereof, which belong to the technical field of bridge structures.下翼緣改進型波形鋼腹板組合箱梁及其施工方法,屬于橋梁結構技術領域。ip.com 返回 corrugated steel plate