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 concrete board 添加此单词到默认生词本
混凝土板

  1. The high level underground water causes damages on the concrete board of the canal such as seep, freezing, sulfate erosion and swelling by swelled ground.
    由于地下水位高,造成地下水对渠道混凝土板的渗透破坏、冻胀破坏、硫酸盐侵蚀破坏和膨胀土膨胀破坏。
  2. It improved on the conventional box-girder of prestressed concrete and was looked upon to combine with top-and-bottom concrete board , external tendons and corrugated steel webs.
    它可以看成是由混凝土顶底板、体外预应力筋和波纹钢腹板三者构成的组合结构,是对传统的体外预应力混凝土箱梁的一种改进。
  3. In the reconstruction projects of cement concrete pavement covering with asphalt, the impact compaction machine can be used to destroy the concrete board rapidly, and reduce the reflection cracks.
    利用冲击压实机对水泥混凝土路面进“行白改黑”,不仅可以快速破碎旧混凝土面板,破坏其板体结构,有效减少和缓解反射裂缝;



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