佛山市炎泽五金建材有限公司为您提供惠州甲型护栏现货广州黑色交通护栏市政护栏价格。珠惠州甲型护栏现货 广州黑色交通护栏 市政护栏价格
huizhou type a guardrail spot price of guangzhou black traffic guardrail municipal guardrail
立交、平交为控制点进行测距。
interchange&level crossing are control points for distance measurement.
立柱的间距分为2m和4m两种,2m间距的为加强立柱。
the spacing of columns can be divided into 2 m&4 m,&the 2 m spacing is the reinforced column.
4m间距的为普通立柱,而实际施工中经常出现异形间距。
the column with 4m spacing is common column, but the spe---l-shaped spacing often appears in the actual construction.
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推荐关键词:
冲孔板围挡,
道路护栏,
围墙护栏,
广州护栏厂,
围栏