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

专家解读视频
SUGGESTED FILLER MATERIALS AND MINIMUM PREHEAT TEMPERATURES FOR WELDING STEEL PIPE WITH WALL THICKNESS LESS THAN 3/4", DESK SIZE CHART
出版:American Welding Society
专家解读视频