• 介绍一种质量成本新型屑板铺机—分离式屑板铺机的结构工作原理,并三个辊轮的运动参数的确定方法进行了讨论。

    In this paper, a new type of hards board material layer with good quality for laying, low cost and three disengaging contact rollers is involved.

    youdao

  • 桥面防水混凝土表面不得、蜂窝裂纹施工缝处不得裂缝

    No honeycombs, pitting surface and cracks may exist on the surface of the waterproofing concrete along the bridge deck pavement, there shall be no cracks at the construction joints.

    youdao

  • 桥面防水混凝土表面不得、蜂窝裂纹施工缝处不得裂缝

    No honeycombs, pitting surface and cracks may exist on the surface of the waterproofing concrete along the bridge deck pavement, there shall be no cracks at the construction joints.

    youdao

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