Preassembled parallel wire strands, in contrast to structural strands, do not require prestretching.

预先装配的平行钢丝索与结构钢缆相比, 不需要预拉.

辞典例句

The effect of prestretching on age ? hardening and tensile properties of Al ? 5.3 Cu ? 0.8 Mg? 0.3 Ag alloy was investigated.

研究了时效前的预拉伸对耐热Al -5.3Cu-0.8Mg-0.3Ag 合金时效过程和拉伸性能影响.

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