铆(mao)=rivet['rIvIt]=A metal bolt or pin having a head on one end, inserted through aligned holes in the pieces to be joined and then hammered on the plain end so as to form a second head铆钉，包头钉一端有尖头的金属螺钉或别针，插入需要连接的部件上排列的洞孔中，然后再将另一扁平的头敲打成平头 焊(han)= weld[weld]=To join (metals) by applying heat, sometimes with pressure and sometimes with an intermediate or filler metal having a high melting point。
焊接通过加热，有时加压或有时用媒介物或有很高熔点的填充金属来连接（金属)。
Rivet Welding
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