Quality Control of Welds and Repair Coating
1. The main factors affecting the quality of welds Resistance [...]
1. The main factors affecting the quality of welds Resistance [...]
1.Iron tongue: due to poor sealing, smooth tongue protruding at [...]
Since 1978, with the development of electric resistance welding (Super-WIMA) [...]
After sterilization and cooling, canned food must be inspected after [...]
1. The name of each part of the first curling [...]
The seaming inspection must not only observe the corrugation on [...]
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