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15:39:17","RecommendNum":"0","Descrip":"","Picture":"2/20190115/636831634629965315231.jpg","PictureDomain":"img49","ParentID":"1769","MainID":"1769","MainTitle":"PH计","MainIsShow":"10","rid":"1","Sort":"0","CHNCode":"P","IndexDescrip":"pH计,是指用来测定溶液酸碱度值的仪器。pH计是利用原电池的原理工作的。","IndexPicture":"2/20190115/636831634629965315231.jpg","IndexPictureDomain":"img49","IndexTitle":"PH计"}]
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