
SUGGESTED FILLER MATERIALS AND MINIMUM PREHEAT TEMPERATURES FOR WELDING STEEL PIPE WITH WALL THICKNESS LESS THAN 3/4" - WALL CHART
出版:American Welding Society

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SUGGESTED FILLER MATERIALS AND MINIMUM PREHEAT TEMPERATURES FOR WELDING STEEL PIPE WITH WALL THICKNESS LESS THAN 3/4" - WALL CHART
出版:American Welding Society
專家解讀視頻