Have prepared 0.2 mm ultra fine tin base welding wire successfully, have determined the process preliminarily of 0. 1 mm ultra fine tin base welding wire.

  • 成功制备了0.2mm的超细锡基焊丝,初步确定了0.1mm超细焊丝的制备工艺。

  • 互联网摘选 2025-01-20 13:06:11

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