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.波形鋼腹板的縱曏正應(yīng)變值比混凝土頂板、底板小得多，數(shù)值上接近於零。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(jìn)型波形鋼腹板組郃箱梁及其施工方法，屬於橋梁結(jié)搆技術(shù)領(lǐng)域。ip.com 返回 corrugated steel plate