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  • 泳池水中余氯、尿素含量速测仪

    开心棋牌YONGCHISHUIZHONGYULV、NIAOSUHANLIANGSUCEYI XIANGGUANCHANPIN:SHUIZHONGYULVSUCEHE、SHUIZHONGNIAOSUHANLIANGSUCEHE GUOJIABIAOZHUNGUIDING:YONGCHISHUIZHONGNIAOSUHANLIANGBUDEDAYU3.5mg/L。YIWANGYONGCHISHUIZHONGNIAOSUHANLIANGDEJIANCEFANSUOFEISHI,BIXUZAISHIYANSHIZHONGJINXING。NIAOSUHANLIANGSUCEYI,SHIXIANLEKEYIXIANCHANGJIANCE,SHIYONGYUWEISHENGBUMENDEJIANGUANHECHANGGUANZIJIAN。

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