The welding technique was invented in the late Western Zhou Dynasty. The three main welding techniques with different solders of tin/lead, copper and silver appeared in different times. This paper discusses more on th...The welding technique was invented in the late Western Zhou Dynasty. The three main welding techniques with different solders of tin/lead, copper and silver appeared in different times. This paper discusses more on the welding technique in spite of the solde rs.展开更多
文摘The welding technique was invented in the late Western Zhou Dynasty. The three main welding techniques with different solders of tin/lead, copper and silver appeared in different times. This paper discusses more on the welding technique in spite of the solde rs.
