prestressed steel girders
prestressed steel girders
预应力钢梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Distinguished with conventional box girders, prestressed concrete box girders with corrugated steel webs possess itself mechanical performances.
波形钢腹板预应力混凝土箱梁具有区别于传统混凝土箱梁结构的的力学特性。
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