大兴安岭中南段古生代锡多金属成矿省，在克拉通北缘早晚古生代增生带的张裂型沉积盆地内分别生成各具特征的铅锌锡多金属矿床。

Paleozoic Sn polymetallic province in the northern accretionary zones of the craton, where Pb Zn and Sn polymetallic deposits were formed in Paleozoic basins with extensional tectonic background.

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该工艺是两种金属之间直接熔接，焊点美观牢固，没有锡焊引起的脆裂、氧化、虚焊、假焊。

The process is directly between the two types of metal welding, a solid solder joint appearance, there is no brittle fracture caused by tin solder, oxidation, solder false.

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