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  • "Robot" to the city sewers do "colonoscopy" "robot"..

    Source : Easy-SightTime:2016-07-05

    Underground drain pipes bear the rainwater, sewage task, because the pipe buried underground, small diameter pipes or artificial can not enter the job, even if a problem can hardly be found. Today, for the first time at the Huangyan district municipal sewage pipe inspection robot network to do testi...

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