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It makes a scrutiny to explain the feasibility of track beam support manufactured at home.
以说明轨道梁支座的国产化是可行的.
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Straddle - type single - track beam of Press Steel Concrete ( PC ) possess the action of bearing, orienting and stabilizing.
跨 座式单轨PC ( 预应力混凝土 ) 轨道梁桥结构具有承重 、 导向及稳定的作用.
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