SUIZHECAILIAOHEJISHUDEJINBU，ZAIDUANDUANDESHIJIANLI，ZHUANGXIUYEFASHENGLEHENDUOBIANHUA：HAOXIECAILIAOTAOTAILE，YOUXIECHANPINSHENGJILE……DANWOMENZAIYIXIEGONGDIJINGCHANGKANDAO，YIXIEXIAOXINGZHUANGSHIGONGSIHUOZHEYOUJIDUIYIRANZAISHIYONGYIXIEBEITAOTAIDECAILIAOHUOGONGYI。ZUOWEIXIAOFEIZHE，NINKANKANNAXIECAILIAOHEGONGYIYIJINGoutLE，SHENGDEZIJIAYUANGAI“SHENGJIJINBU”DEZHUANGXIUYIRANFANZHEQIANRENDECUOWU。

SHUIDIANGONG

    DUXINGUAN>>LVSUGUAN>>PPRGUAN

   　 BEITAOTAIPINJIYUANYIN：YIQIANZAISHUILUGAIZAOGUOCHENGZHONG，YIBANDOUSHIYONGDUXINGUAN。ZHEIZHONGGUANCAIHOU，QIERONGYISHENGXIU，YIBEIFUSHI。YIDANBEIFUSHIHOU，SHUIGUANBIANXI，CHUSHUILIANGJIUBIANXIAO，SHUIYEHUIFAHUANG。HOULAI，RENMENZHUJIANCAIYONGLVSUGUAN。DANYOUYULVSUGUANCAIYONGJIETOUCHARUSHI，QIEYOUYIDINGSONGDU，YIDANBEIMAIZAIQIANGLI，DAOZHIQIMEIYOUSHENSUOXING，HENRONGYITUOLUODAOZHIPAOSHUISHIGU。CIWAI，YOUYUYECAIYONGRERONG，ZHICIDEGUANCAIZAZHIDUO，RONGYIDAOZHIHANJIEBULAOGU，YEFASHENGLOUSHUIXIANXIANG。

  TIDAIPIN：MUQIANYONGDEDOUSHIPPRGUAN。ZHEIZHONGGUANCAICAIYONGRERONGDEFANGSHI，ZHENGGESHUIGUANZHIYOUCHUSHUIKOUYOUJIEKOU，ERQIESHENSUOXINGHEPENGZHANGXISHUXIAO，BURONGYIBIANXING，SHIHEYINBIGONGCHENG。

镀锌管>>PVC管>>热镀管

    　被淘汰品及原因：最初使用的电路管材是镀锌管，后来使用PVC管材，但由于PVC管材比较脆，一旦破损后无法抽线，且如果在施工的过程中破坏了线路，根本无法察觉。

  　  TIDAIPIN：MUQIANSHIYONGDEDOUSHIREDUGUAN，ZHEIZHONGGUANCAINENGGOUFANGZHISHENGXIU，QIEBUYITUOLUO。ERQIEGUANCAIYINGDUGOUGAO，NENGGOUBAOHUQIZHONGDEXIANLUBUSHOUPOHUAI。

MUGONG

   　 BAOLIGUAN：SONGMU>>QINGGANGLONGGU>>ZHUANQI

  　  BEITAOTAIPINJIYUANYIN：SONGMU——ZAIQIANJINIAN，WEISHENGJIANBAOLIGUANDECAILIAOSHIYONGDESHISONGMU，DANYOUYUSONGMURONGYIBIANXING，QIERONGYIFASHENGREZHANGLENGSUO，JINGCHANGZAOCHENGBIANJIAOKAILIE，DAOZHICIZHUANSONGDONG。QIESONGMURONGYIFULAN，SHOUMINGBUZHANG。

   　 TIDAIPIN：QINGGANGLONGGUYIQIWENDINGXINGQIANG、FANGHUOFANGCHAOFANGFUDENGTEDIANQUDAILESONGMU。DANQIYEYOUQUEDIAN：ZHENGCHANGQINGKUANGXIA，ZAISHUINIYALIBANSHANGGUAYICENGGANGWANG，RANHOUMOHUITIEZHUAN。YOUYUMOHUICENGYUYALIBANJIANDENIANJIEDUBUGAO，RONGYIDAOZHICIZHUANTUOLUOKONGGU。

   　 SHENGJIPIN：CHUANTONGZHUANQI。CAIYONGCHUANTONGDEQINGTIZHUAN、HONGZHUANDENGQIQIANG，RANHOUMOHUITIEZHUAN。ZHEIZHONGFANGFASHIDETIEZHUANHOUXINGNENGZUIWENDING，DANZHANYONGDEMIANJIXIANGDUIJIAODA，YINCIZAIYIXIEMIANJIBIJIAOXIAODEWEISHENGJIAN，YIRANHUICAIYONGQINGGANGLONGGUBAOLIGUAN。

   　 MULONGGU>>QINGGANGLONGGU

    　BEITAOTAIPINJIYUANYIN：ZAIJIATINGZHUANGXIUGUOCHENGZHONG，MULONGGUBEIGUANGFANYINGYONGYUDINGMIANDIAODINGHEYANDAODENGYIXIEYINBIGONGCHENGNEI，DANYOUYUMUCAIDETEXING，RONGYIFASHENGSHOUSUO，XINGNENGBUWENDING，RONGYIZAOCHENGDINGMIANDIAODINGKAILIE，ERQIEZAILONGGUYUSHIGAOBANJIEFENGCHURONGYICHUXIANLIEFENG。

   　 TIDAIPIN：YOUYUMULONGGUDEZHEIXIETEXING，MEIYOUPENGZHANGXISHU，JIBENBUKAILIEBIANXING，XINGNENGWENDINGDEQINGGANGLONGGUXUNSUQUDAILETA。MUQIANZAIYANDAOHEDIAODINGZHONG，CHULEYIXIEQINGGANGLONGGUWUFAZUOCHUDETESHUZAOXING，YIBANDOUSHIYONGQINGGANGLONGGU。

    WAGONG

    　SHUINISHAJIANG >> >> PEIBISHAJIANG

   　 CHANGYONGPIN：ZUOWEIPUTIECIZHUANDECAILIAO，MUQIANSHUINISHAJIANGRENGZUIWEIGUANGFAN，DUIYINGDEGONGYISHICHUANTONGDESHUINISHAJIANGPUTIE。QIZHONGCAILIAOZHILIANGRUSHUINIZHILIANG、SHAZICUXIDUJIHANNILIANGNANYIBAKONG。JUJIESHAO，SHUINISHAJIANGZAIPEIBIGUOCHENGZHONG，PEIBISHIFOUHELI、CAILIAOYONGLIANGSHIFOUDAOWEI、JIAOBANSHIFOUJUNYUNDOUHUIYINGXIANGSHUINISHAJIANGDEZHILIANG，DAOZHIMOHUIJITIEZHUANZHILIANGWENTI。CAOZUOSHIDUIGONGRENDESHOUYIYAOQIUJIAOGAO，DANCHENGBENJIAODI。

  　  SHENGJIPIN：PEIBISHAJIANGYECHENGCIZHUANNIANJIEJI，DUIYINGDESHIBOTIEFA，ZHIJIEDUISHUIJIKESHIYONG，ZHILIANGBIAOZHUNYIBAKONG、NIANJIEQIANGDUGAO。GONGRENCAOZUOFANGBIANYIXING，PUZHUANXIAOLVYEDADATIGAO。DANSHIBOTIEFAXUYAOXIANDUIQIANGMIANJINXINGZHAOPINGCHULI，BISHUINISHAJIANGPUZHUANDUOCHUYIXIEGONGXU，CIBUFENXURENGONGFEIJIAOGAO；LINGWAI，CIZHUANNIANJIEJIDECHENGBENDADAGAOYUPUTONGDESHUINISHAJIANG。YOUYUCHENGBENXIANGDUIJIAOGAO，YINCIMUQIANSHUINISHAJIANGRENGSHIZUIPUBIANDEPUTIEFANGSHI。

 　   YOUGONG

 　   107、108JIAO >> >> JIEMIANJI

   　 BEITAOTAIPINJIYUANYIN：ZUOWEIZAIMOHUICENGYUNIZICENGZHIJIANDEJIEZHI，QIDAOTIGAOMOHUICENGNIANJIELIZUOYONGDECHANPIN，YIQIANYIZHISHIYONG107HUO108JIAO。DANZHEILIANGZHONGCHANPINYINWEIHUANBAOXINGNENGTAICHAZAODAOTAOTAI。

   　 TIDAIPIN：RUJINZHUANMENTUICHULEYIZHONGCHANPINJIAOZUOJIEMIANJI，SUIRANYEHANJIAO，DANQIZHONGJIAODECHENGFENXIANGDUIHUANBAOHENDUO，LAOGUDUYEBI107、108JIAOQIANG，YEGENGFANGJIAN。

    　821NIZI >> >> NAISHUINIZI

    　BEITAOTAIPINJIYUANYIN：821NIZISUIRANJIAGEXIANGDUIJIAODI，DANJIHUDOUBUNAISHUI，SHUATULIAOHOUJINGCHANGCHUXIANTUOLUO、QIZHOU、DIAOPIDENGGONGCHENGZHILIANGWENTI，SHIYONGSHOUMINGPIANDI。CIWAI，821DENGFEINAISHUINIZIDENIANJIEDUYEJIAOCHA。

    　TIDAIPIN：NAISHUINIZI。XINXINGNAISHUINIZIDENIANJIEDUGENGGAO，QIEGENGNAIJIANNAISHUI。

  　  WUDIQI >> >> YOUDIQI

  　  TULIAOJINGLILECONGWUDIQIDAOYOUDIQIHEMIANQIDEGUOCHENG。ZAISANNIANYIQIAN，HENDUORENZHUANGXIUBUSHIYONGDIQI，PIGUAWANNIZIHOUZHIJIESHUAQI。RUJIN，SHUAQIGUOCHENGZHONGYOULEDIQI，YIBANDOUSHISHUAYIBIANDIQI，LIANGBIANMIANQI。DIQIKEYIGENGHAODIFANGJIANFANGCHAO，FANGZHIQIANGQISHOUCHAOFENHUA。