• 1. multi-layer welding: 多层焊 | 多层焊接
• 2. multi-layer and multi-pass welding: 分层多道焊
• 3. run of multi-layer welding: 多层焊道数

更多释义

• 1.Weld thermal cycle simulation was used to reproduce the structure in the HAZ of single run and multi-layer welding.
  采用焊接热模拟再现了单道焊和多层焊haz的组织。
  dict.yoduao.com
• 2.The properties of the welded joint may be effectively enhanced by adopting neat multi-layer welding and technical welds.
  多层焊和附加工艺焊缝是提高焊接接头性能的有效途径。
  dict.yoduao.com
• 3.The temperature field and residual stress field of 3d single-layer welding and multi-layer welding were obtained, and the calculation results were discussed.
  得到了三维单层焊和两层焊焊接温度场和残余应力场，并对计算结果进行分析。
  dict.yoduao.com

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