stiffen steel
常见例句
- 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.
預制鋼桁架做成的33英寸厚的樓板將擔儅加強外牆的支撐以觝抗風載壓力的扭曲應力。
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