Deposit metal samples are prepared by GMAW shielded with different gases in copper mould with cooling.

  • 采用不同配比的保护气体,在水冷铜模中堆焊焊缝金属,获得不同扩散氢含量的熔敷焊缝试棒.

  • 互联网摘选 2026-05-07 14:20:28

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