以下这段话如何用另一种方式表达？施工层放线精度：承重墙、梁、柱边线精度允许偏差±3mm

The allowable deviation for the alignment accuracy of load-bearing walls, beams, and columns is ±3 (mm) during the construction laying process.

During the construction laying process, load-bearing walls, beams, and columns must be aligned with an accuracy of ±3 (mm) deviation.