#焊接技術 #焊工平角焊接頭怎麼接，平角焊怎麼焊。#welding technology #焊接技術 How to connect flat fillet welded joints

Name: #焊接技術 #焊工 平角焊接頭怎麼接，平角焊怎麼焊。#welding technology #焊接技術 How to connect flat fillet welded joints
Uploaded: 2023-07-14T17:17:03+08:00
Description: #焊接技術 #焊工 平角焊接頭怎麼接，平角焊怎麼焊。#welding technology #焊接技術 How to connect flat fillet welded joints

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