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What should be paid attention to when installing the shaft? Hainan ductile iron manhole covers are introduced to you. The installation of the shaft shall be carried out in strict accordance with the construction process. First, the plastic shaft shall be cut according to the design depth, then the shaft shall be lifted into the well pit, and then the surrounding of the shaft shall be fixed, and finally assembled and shaped. In order to ensure that the wellbore can be vertically inserted into the well seat, it can be recovered when it is fixed
Published on: June 10, 2019 Number of hits: 28
