weldless meaning in Chinese

非焊接的
无焊缝的，无缝的
无焊接的

Standard specification for weldless chain
非焊接钢链标准规范
No silicon oil , no weldless
无硅油无焊缝
Cold drawn weldless tube
冷延无缝管
Standard specification for uncoated , weldless , 2 - and 3 - wire steel strand for prestressed concrete
预应力混凝土用未涂覆未焊接的2股和3股钢绞线的标准规范
Abstract : a manufacture method of a major diameter circline weldless u - expansion joint by hydrostratic forming is introduced , a calculation formula of loading with hydrostratic forming is given by stress analysis
文摘:简要介绍了液压成型大直径无环焊缝u形膨胀节的方法，通过应力分析，给出了液压成型的加载内压计算公式。