suizheshidaijinbu，yixiejixieshebeizaiwomendeshenghuozhonghuijingchangchuxian，biruwajueji，jiushiqizhongzuiweichangjiandeshebei，renmenkandaowajueji，tadezaoxingzuiweituchudejiushitadedouchile。xiangyigedaxiangdebizi，ershijishangtadezuoyongyejiuxiangdaxiangdebiziyiyang。yincitadesunhaoyeshigengdade。namewomenyinggairuhejianshaoningbodouchidesunhaone？
鬥(dou)齒(chi)的(de)用(yong)途(tu)相(xiang)當(dang)的(de)廣(guang)泛(fan)，不(bu)過(guo)用(yong)於(yu)挖(wa)掘(jue)機(ji)等(deng)機(ji)器(qi)上(shang)比(bi)較(jiao)多(duo)，鬥(dou)齒(chi)的(de)鑄(zhu)造(zao)方(fang)法(fa)也(ye)不(bu)是(shi)很(hen)多(duo)，有(you)兩(liang)種(zhong)分(fen)沙(sha)鑄(zhu)和(he)精(jing)密(mi)鑄(zhu)造(zao)。鍛(duan)造(zao)鬥(dou)齒(chi)成(cheng)本(ben)高(gao)，產(chan)量(liang)很(hen)小(xiao)。
douchiyoushihouzaigongzuoshihuishoudaobutongchengdudesunshang，daozhidouchishixiao，shoulifenxiyibandouchigongzuomianyubeiwajuewuxiangjiechu，zaiyigewanzhengdewajueguochengzhongbutongdegongzuojieduanqishouliqingkuangbutong。chijianbuweishouxianjiechuwuliaobiaomianshi，youyusudujiaokuai，douchijianbufenshoudaojiaoqiangliedechongji。ruodouchidequfuqiangdudi，jianghuizaijianbuchanshengsuxingbianxing。suizhewajueshendudejiada，douchishouliqingkuanghuiyousuogaibian。dangdouchiqiegewuliaoshi，douchiyuwuliaofashengxiangduiyundong，zaibiaomianchanshenghendadezhengjiyali，congerzaidouchigongzuomianhewuliaozhijianchanshengjiaodademocali。
suoyijianyizhuzaochengxinghou，duiningbodouchizhujianjinxingshidangdezhenghuo，yigaishanzuzhihexingneng，tigaoshiyongshouming。duizhujianjinxingheliderechulihou，zaixiangtongdegongkuangtiaojianxia，ningbodouchideshiyongshoumingtigaolejin2倍。
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