異型焊錫絲的金屬成分確定後，那麼焊錫絲內部的助焊劑zhiliangjiujuedinggaihanxisidehanjiezhilianghehanjiexiaolv。ruguoshiyongwendushaogaodelaotietou，hanxisidecanliuwujiuyinggaibuhuifashengshaojiaohuozheshiyansebianandeqingkuang。zhuhanjizaihanjieshiyebuyinggaichuxianfeijianhuozheqihendadenongyan。zhuhanjiruoshikeshuixixingdaixinhanliao，yongreshuijiuyinggairongyiquchu。gaihanxisidezhuhanjihaibixuyaoyouzugoudehuoxing，bingnenggouzaihelaotietoujiechushihainengbaochizugoudehuoxing。ruoshimianqingxixingzhuhanji，namehanhoudecanliuwubixushiwuduwuweihaide。
zhuhanjiyinggaiduigezhongleixingdexianlubanheyuanqijiandounengjinxinghanjie。yixinghanxisitongchangxuyaodianlaotiepeihezheshiyongde，namedianlaotiedeshiyongduihanxisidehanjiezhiliangyeyouzheyidingdeyingxiang。shedinglaotietoudewendushixuyaokaolvdianziyuanqijiandenairexingheanquanxing，bimianwendutaigaotanghuaidianlubanheyuanqijian。qishikeyixuanyonghengwendianlaotie，ranghanxisidehanjiegongzuojuyoulianxuxinghechijiuxing，yenengranghanxisidehanjiegengyouxiaolvhezhiliang。
異yi型xing焊han錫xi絲si在zai焊han接jie開kai始shi前qian要yao用yong測ce溫wen計ji測ce定ding烙lao鐵tie頭tou的de溫wen度du，烙lao鐵tie頭tou的de溫wen度du很hen高gao，要yao小xiao心xin被bei燙tang傷shang。焊han錫xi絲si的de焊han接jie過guo程cheng盡jin量liang要yao短duan，以yi免mian損sun壞huai電dian路lu板ban。
