焊接是通過物理或化學的手段，使兩個相分離的物體（同種材料或異種材料）產生原子（分子）間的結合，而連接成一體的連接方法，是不可拆卸的^性連接。焊接技術作為傳統工藝在機械製造、設備維修及安裝中的作用更為突出。

zaiduipeifangfeiganfazaolichengtaoshebeijinxingjianxiuyuweihudeshihou，gongzuorenyuanshichangyaoduihuafeizaolijijichengdianluzhongdeguanjiaojinxinghanjie
，zaizheguochengzhongyaozhuyi
，jinzhicaiyonggonglvjiaodadelaotiejinxinghanjie，tongshi，haiyaozhuyihanjiedeshijian
，^大程度的降低焊接使用的時間。

chucizhiwai

，weileshijichengdianlumianshoudianlaotiewenduguogaodeyingxianghuozheshijingdiandeganying，zaihanjieguochengzhongcaozuorenyuanyaozhuyihanjiedewendu
，dangdianlaotiedadaoxiangyingdewenduzhihouyaoxianduidianyuanguanbiranhouzaijinxinghanjiegongzuo。

zaixiaxiaokongjianzuoyeshi，caozuozhejiaoxiabixudianyouxiangjiaobanhuoqitajueyuandian。pangbianyouyimingjianhurenyuansuishizhuyicaozuorenyuandeanquanqingkuang，yiyuyouweixianqingkuanglijiqieduandianyuanjinxingqiangjiu。