จึงต้องทำการทดสอบความแข็งแรงของรอยเชื่อม จากความยาวลวดประสานที่ 70 มมลดลงเป็น 30 มิลลิเมตร It needs to do to test the strength of the brazing. Need to test the strength of the brazing. To test the strength of the weld
It needs to do to test the strength of the weld.Solder wire length is 30 mm medium 70 mamon.It needs to do to test the strength of the brazing.Need to test the strength of the brazing.To test the strength of the weld
Need to test the strength of the weld length of solder wire to 70 mm was reduced to 30 mm. It Needs to do to Test the strength of the brazing. Need to Test the strength of the brazing. To Test the strength of the. weld
To test the strength of the weldFrom the 70 mm solder wire length decreases as 30 mm.It needs to do to test the strength of the brazing.Need to test the strength of the brazing.To test the strength of the weld.