Our marriages system can't be carried outwell because of the long – term defect of invalid marriages system.

无姻制度长期缺失使我国结制度得不到很好贯彻。

Smelting,cast-on outwell and heat treatment handicraft,may accomplish with the type product or material in reference in creating process.

熔炼、铸造和热处理工艺,可作为同类型产品或制造过程中参考。