若何从外表来区分一支烙铁头的黑白?
suyushuodehao:“rijiujianminqi”,guangkanwaibiao,nihennanxiaodeyixiaowopindedeheibai,zhiyaoxiangchujiulecaihuilinghui。duiyizhiluotietouni,zanmenyougairuohecongwaibiaokanchuqipinzhideheibai?liangduoderenyiweiwaibiaohuanidebianshihaodeluotietou,xianshishangzheigeshimeishenmegenjude。youxieluotietouwaibiaobudouya,lingyoudianhei,keshiquehennaiyong,xiangfanyixiewaibiaokanqilaiyaguanhuani,yongqilaishoumingquebuzhang。
nadaoyizhiluotietou,zanmennenggoucongzheijigefangmianlaikaiduanjiandingqiheibai:
yi、shibushishiwuqianhuanbao?cikeshidaoshangdejuedajubudoushiwuqianluotietou,putongdouyousgsjiancebaogao。ruoshishiwuqianluotietou,toubuyushangxinenggoubushihendouya,youyuchunxidehuodongxingbuqiang,waibiaokanshangqushaoshaohuiyoudianhei,ruoshitoubudeyushangxitailiangtaibiaozhi,shibushibaozhangwuqianhaiyaoxixincanyiyixia。
er、zhenkong,luotiejudetoubuyaoxixinkankan,youbuzhenkong,ruoshiyou,zheigeluotietoubidingbushihenhaode。
san、neikong,youneikongputongshineireshi,neiwaibiaoyaojinkenenghuani。
si、chicun,jingdububiranyaoyuegaoyuehao,nixuyaoguanhuaideshijigeguantouchicun,zhuangzhichicun、toubuliyongchicun。ruoshiyigechangjiachuchandeluotietouchicunfenqihengao,neishenmingshiyongjixiechuchande,ruxudeluotietoupinzhibuhuihenchade。fenqixinggaogengbianliliyong。
wu、qiaohuai,zheigeshizuizhiguandejiandingfangshi,yongcuodaobatoubucuokai,kankanwaimianxiacengyaobiranshizitong(youxiegongchangyongdeshihuangtong,huangtongdedaorexingbizitongyaocha),tiecengyaoyoubirandehoudu,danbunengtaihou,houduzai0.8~1.1haomizhijianweixiapin。
liu、xingzhuang,buxuyaozhenzhuoxingzhuangdesecai,guantashenmeheide、liangde、baide,luotiejuwaibiaodeducenggenjibianshiweilelianggeganhua:fangxiuhefangpaxi,bulunshenmesecai,zuibiaocengbidingshige,gebianshibimianpaxibale。
jinchaodeluotietougongchangliangduo,meijiagechuchangongyigebubuyi,zhishipinzhicunzaihendadebutong,ourandancongwaibiaokanbuchuheibai,zuiyouyongdefangshibianshimaijigeyangpin,douqushiyongyixia,heibaibianyilanwuyule。
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