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Unverified88% confidenceFactTime unknown

无电池插针式pH检测仪本质是原电池原理(两种金属电极产生电流),只能在湿润土壤中工作,干土无读数,且pH精度通常仅±0.5以上,仅供参考不能替代实验室pH计或pH试剂盒

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