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。

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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。

youdao