平行捻钢丝绳
Points out that using wire rope as main span wire is of great limitations in suspension crossing design and high-strength steel wire of parallel bunch as main span wire is imperative to large pipe diameter and large span suspension crossing engineering.
指出在悬索跨越设计中用钢丝绳作主索的局限性很大,而对大管径、大跨度悬索跨越工程采用高强钢丝平行束作为主索势在必行。
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