In the construction of prefabricated buildings, not only the professional technology in the field of construction, but also the use of other professional technologies. The main purpose of the preliminary design is to effectively coordinate the professional technology applied in the whole prefabricated and assembled building construction process, and ensure that all the professional technologies are effectively implemented in the construction process. In addition, the reliability and economy of prefabricated and assembled building construction should be fully considered in the preliminary design process, and scientific and reasonable evaluation should be carried out in these two aspects.<br>
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