回复Insp_978d32b8发表于:2020/9/24 9:19:50悬赏金额:
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[img=第二次对比测定直接用纯水的结果,690,517]https://ng1.17img.cn/bbsfiles/images/2019/09/201909240917261758_1499_4006790_3.jpg!w690x517.jpg[/img][img=这是第一次出现问题的结果,690,387]https://ng1.17img.cn/bbsfiles/images/2019/09/201909240917426228_3910_4006790_3.jpg!w690x387.jpg[/img][img=第二次样品测定结果,690,517]https://ng1.17img.cn/bbsfiles/images/2019/09/201909240917531398_768_4006790_3.jpg!w690x517.jpg[/img]