评论信息_北京时代TT340超声波测厚仪/TT340铸铁型测厚仪

TT340超声波测厚仪原理：TT340超声波测厚仪根据超声波脉冲反射原理来进行厚度测量的，TT340超声波测厚仪当探头发射的超声波脉冲通过被测物体到达材料分界面时，脉冲被反射回探头，超声波测厚仪通过精确测量超声波在材料中传播的时间来确定被测材料的厚度。凡能使超声波以...

2017/4/13 2:56:11tonesoft

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2017/4/13 2:44:53tonesoft

http://so.iqiyi.com/so/q_%E5%90%88%E4%B9%90%E5%9C%A8%E7%BA%BF%E5%A8%B1%E4%B9%90%E5%AE%A2%E6%88%B7%E7%AB%AF%E4%B8%8B%E8%BD%BD%E3%80%90%E4%BF%A1%E8%AA%89%E6%80%BB%E4%BB%A3%EF%BC%B1%EF%BC%94%EF%BC%94%EF%BC%96%EF%BC%98%EF%BC%96%E3%80%91/

2017/4/13 2:16:50tonesoft

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2017/4/13 2:04:48tonesoft

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2017/4/13 1:03:09tonesoft

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2017/4/12 23:05:57tonesoft

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