发布时间:2025-01-18 07:19:27
按跨数,给你举个例子,比如这座桥480米,每跨30米,共16跨,那么伸缩缝就4跨一道,2个桥台处也有,即0#、4#、8#、12#、16#处设置身伸缩缝,具体看设计图纸是每跨多少米及全桥总长?
2022年度中国阀门十大品牌排行榜和国内阀门一线品牌及五十强厂家
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