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233。\u003C\u002Fp>","[{\"name\":\"https:\u002F\u002Fwww.ptc1.com\u002Fthumbnail.asp?file=assets\u002Fimages\u002F239.jpg&maxx=300&maxy=0\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F27\u002F95460750-7d73-48e8-b9b9-7b1a10b4e40e.jpg&maxx=300&maxy=0\",\"size\":11719,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F27\u002F95460750-7d73-48e8-b9b9-7b1a10b4e40e.jpg&maxx=300&maxy=0\",\"url\":\"image\u002F2026\u002F05\u002F27\u002F95460750-7d73-48e8-b9b9-7b1a10b4e40e.jpg&maxx=300&maxy=0\"}]","PTC Model 239 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04:13:34",152296,2022,"152296","PTC 235 便携式工业显微镜（带光源，60倍放大）","PTC 235型便携式工业显微镜，放大倍数20X至60X可调，配备光源附件，适用于工程、地质、矿物学、冶金、制造及实验室等领域。美国制造，结构紧凑，携带方便。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PTC 235型是一款专为工程、地质、矿物学、冶金、制造及实验室领域设计的便携式工业显微镜。该显微镜采用可伸缩目镜设计，通过调节目镜高度即可实现不同放大倍数的切换，操作简便，适用场景广泛。\u003C\u002Fp>\u003Ch3>放大倍数调节\u003C\u002Fh3>\u003Cp>该显微镜的放大倍数可通过目镜伸缩进行三档调节：\u003C\u002Fp>\u003Cul>\u003Cli>目镜完全缩回时，放大倍数为\u003Cstrong>20X\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>目镜伸出至1-3\u002F16英寸时，放大倍数约为\u003Cstrong>40X\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>目镜伸出至**高度2-1\u002F32英寸时，放大倍数约为\u003Cstrong>60X\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>技术规格\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>放大倍数：\u003C\u002Fstrong>20X 至 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PDF\u003C\u002Fp>","[{\"name\":\"https:\u002F\u002Fwww.ptc1.com\u002Fthumbnail.asp?file=assets\u002Fimages\u002F235.jpg&maxx=300&maxy=0\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F27\u002F87390229-395d-4cb0-86cf-8068b3858dd1.jpg&maxx=300&maxy=0\",\"size\":20181,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F27\u002F87390229-395d-4cb0-86cf-8068b3858dd1.jpg&maxx=300&maxy=0\",\"url\":\"image\u002F2026\u002F05\u002F27\u002F87390229-395d-4cb0-86cf-8068b3858dd1.jpg&maxx=300&maxy=0\"}]","PTC 235 便携式工业显微镜 带光源60倍放大 美国制造","PTC 235型便携式工业显微镜，20X至60X可调放大倍数，配备光源附件，适用于工程、地质、矿物学、冶金及实验室检测。美国原产，轻巧便携。",{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":880,"siteId":7,"slug":890,"name":891,"country":7,"images":7,"files":7,"subtitle":7,"description":7,"status":7,"isHot":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":8,"siteId":7,"parentId":7,"ancestors":7,"slug":12,"name":13,"images":7,"files":7,"subtitle":7,"isHot":7,"status":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":1019,"updateBy":7,"updateTime":1020,"remark":7,"id":1021,"siteId":9,"sourceId":1022,"categoryId":8,"brandId":880,"slug":1023,"name":1024,"code":7,"model":1025,"subtitle":1026,"description":1027,"images":1028,"files":7,"attributes":7,"price":7,"currency":7,"isHot":7,"status":10,"sort":10,"seoTitle":1024,"seoDescription":1029,"seoKeywords":7,"brand":1030,"category":1031},"2026-05-27 04:13:15","2026-06-16 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