The importance of the product drawings of the manhole is mainly reflected in the following aspects:
1.Ensure the accuracy of installation position: the product drawings can accurately indicate the position and size of the access opening, so as to ensure that there will be no deviation during installation, thus ensuring the accurate installation of the access opening.
2.Convenient for technicians to repair: the position of equipment or pipeline to be repaired will be marked on the drawings, which is convenient for technicians to quickly find the parts to be repaired during maintenance and improve work efficiency.
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