100sj001
@100sj001 (1)
China • Age 42
Joined myLot 17 years ago
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jamesarmstrong
@jamesarmstrong (251)
• China
12 Nov 07
Welding is a fabrication process that join materials, usually metals and thermoplastics. This is often done by melting the workpieces and adding filler to form a poor of melten materials that cooled to bacome a strong joint. But...
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