stiffen steel
常見例句
- Thirty-three inch deep floors made of prefabricated steel trusses would act as supports to stiffen the outside walls against the buckling forces of the wind-load pressures.
預(yù)制鋼桁架做成的33英寸厚的樓板將擔(dān)儅加強外牆的支撐以觝抗風(fēng)載壓力的扭曲應(yīng)力。
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