YEYAJINJIQIEDUANFACHANPINYONGTU ZHUYAOYONGYUJINJIQINGKUANGSHINENGZAIJIAOYUANDEDIDIANXUNSUGUANBIZHUGUANDECHURUKOU，ANZHUANGZAIYEHUAQI.YEANYUTIANRANQIXIANGGUANDEGUANLUSHANG，YUYUANJULISHOUYAOYOUBENGPEITAOSHIYONG，LIYONGSHOUYAOYOUBENGYEYAKONGZHIFAMENKAIQI-GUANBI。GUANGFANYONGYUYEJIN、ZAOZHI、SHIYOU、HUAGONG、FANGZHI、XUANKUANGDENGLINGYU。
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YI：YEYAJINJIQIEDUANFAQDY421F-16CHANPINGAISHU CHANPINMINGCHENG：YEYAJINJIQIEDUANFA CHANPINXINGHAO：QDY421F-16/25/40C CHANPINGUIGE：DN15-DN300 YALIDENGJI：1.6Mpa-2.5Mpa-4.0Mpa
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