An automatic reading system is developed with CCD so that water meters can be automatically read.
为了实现水表的自动抄表,研制了CCD电子抄表系统.
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E , water meters, observation network fabric is on a layer of water curtain.
用纯水冲净残液, 查察网布表背是否布上一层水幕.
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Chicago is trying to become more efficient, replacing leaky pipes and installing water meters.
芝加哥正努力提高水的使用效率, 替换渗漏的管道,安装水表.
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