求翻译：施工段划分：本工程厂房长度为400多米，根据平面特点，可划分为三个施工区段。1－20轴为一个施工段；20－41为一个施工段，其余附房划分为一个施工区段。是什么意思？

Construction segment is divided: The project Plant a length of 400 meters, according to surface characteristics, the construction can be divided into three sections. 1-20 axis is a construction of section; 20-41 for a construction segment, the other with room into a construction zone.

Division of construction section: this power house is more than 400 meters in length, according to the graphic characteristics, construction can be divided into three sections. 1-20-axis for the construction of a paragraph; 20-41 for the construction of a paragraph, rest room into a construction seg