• 论述焊接衬圈优点、改装工艺产品上的应用

    The advantages of this backing, the concept designed for it, welding procedure and successful use in production are introduced in the paper.

    youdao

  • 提高液化石油气钢瓶破裂时的容积变形率研制了带有凸台结构焊接

    In order to increase the volume deformation rate as LPG bottle broken, a boss-backing has been developed for welding the bottles.

    youdao

  • 埋藏式压力钢管设计中,混凝土衬圈围岩之间普遍存在着不连续的缝隙,致使设计计算难以进行联合受力分析

    It is difficult to analyze combined work of underground penstock due to the gap among steel lining, concrete lining and rock.

    youdao

  • 种在针织机上进行具有一定厚度表层结构的成编间隔织物方法。

    The present invention is the weaving process of stitching weft-knitted alternative fabric with surface warp inserting and weft inserting structure of certain thickness in a weft knitting machine.

    youdao

  • 种在针织机上进行具有一定厚度表层结构的成编间隔织物方法。

    The present invention is the weaving process of stitching weft-knitted alternative fabric with surface warp inserting and weft inserting structure of certain thickness in a weft knitting machine.

    youdao

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