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.
预制钢桁架做成的33英寸厚的楼板将担当加强外墙的支撑以抵抗风载压力的扭曲应力。
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