| 摘要 |
An apparatus for cleaning the interior and exterior of a corroded pipe including a pipe shuttle for rotatable holding a pipe being cleaned, a stationary lance assembly for insertion into the interior of the pipe to scrape and clean the interior of the pipe, an external scraper for scraping the outer surface of the pipe, a wire brush assembly for cleaning the outer surface of the pipe, and a drive car for rotating the pipe and driving the rotating pipe onto the lance assembly and into contact with the external scraper and the wire brush assembly.
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