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Pipeline blockage is very complex, the overall can be divided into the following circumstances:
1, chronic obstruction: the fluid material in the pipeline over the years slowly attached to the pipe wall so that the pipeline gradually tapering, the pipeline itself and other substances chemical reaction also gradually thinning, slowly the pipeline will be blocked.
2, foreign matter fall caused by the blockage: This situation is easy to understand, that is, other things fall into the pipeline, so that the pipeline blocked.
3, other reasons: there are many reasons for pipeline congestion, and often the result of a variety of factors interact, so its maintenance methods are not the same.
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