北京28app

常见问题

日丰管

  • 日丰的燃气管能不能用于燃气?

    ①rifengranqiguanyongzairanqishangjueduishimeiwentide;

    ②guojiabiaozhun——《chengzhenranqishejiguifan》mingquexieming“lvsuguankeyiyongyushineiranqibiaohou”;

    ③wosizaiquanguogediyoubushaoranqiguanyangbangongcheng,zhijinyiyoushangqianwandeyonghu,shiyongdaoxianzaiyemeichuxianguoshenmewenti;

    北京28app ④meiqizaiwomenguojiashilongduanxingye,yibanranqigongsidouyaoqiunibixuyongtamenzhidingdeguancai,weilebimianrihoumafan,womenjianyininzaianzhuangqianzuihaoxianzixunyixiaranqigongsi。

  • 燃气管接在煤气瓶后可否?

    buxing,wosiranqiguanzhuyaoshiyongyuyihuyibiaodechengshiranqiguandaoshang,shilianjiezaimeiqibiaohoude,bushihejiatingyongdepingzhuangqi。

  • 铝塑管、ppr能否用在中央空调(水冷式制冷)、压缩空气...

    zhiyaoshiyongwendujigongzuoyalizaiwomenguancaidezhengchangshiyongfanweilishimeiwentide。

  • 管“出汗”“冒汗”(冷凝)的解释

    zheishiyizhongzhengchangdewulixianxiang,yuanlishidangshineishiwaiwenchadadaoyidingzhishi,yixieshuiqiwuhuafuzaiwutibiaomian,xingchengyicengbobodeshuizhu。birunincongbingxianglibayipingyinliaonachulaifangzaitaimian,bujiuyinliaopingshangjiuhuiyouyicengbobodeshuizhu,zheijiushi“lengning”。guancairuguochuxian“maohan”budaibiaoguancailoushui,zhiyaoweiguancaitaoshangbaowentaoguanjiukeyibimianzheigexianxiang。

  • 管材外设的注意事项有哪些?

    北京28app yibanlaishuowomenbujianyiyonghubaguanzhuangzaishiwai(wulunshilvsuguan、ppr),yinweiguanluoluzaishiwai,shoudaotaiyangguangdezhaosherongyilaohua,erqieyerongyishouzhuangjihuokehuasunhuai,erqiezaidongjiwendukenenghuizai0dushangxiadequyu,mingzhuangzaihuwaiqiemeiyoujiarenhebaowencengdeguandaorongyibeidonghuai;pprbaiseguananzhuangzaihuwai,ruomeiyoujiarenhefanghucuoshidehua,guandaoneideshuirongyiqiqingtai。 

    suoyi,wulunshineizhongguan,ruobixumingzhuangzaihuwaidehua,bixuzaiguancaiwaijiataoguanhuojiachanyicengfangziwaixian、fangdongdecailiao。 

  • 铝塑管、ppr、pert、pex这些管材都可以用于直接饮用水...

    wosisuoyouguancaideyuancailiaodoushianquanwudude,douyouxiangyingdeweishengxukepijianheweishengjianyanbaogao,ninkeyifangxinshiyong。

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