划线定位：根据设计图纸中门窗的安装位置、尺寸和标高，依据门窗中线向两边量出门窗边线。

Line location: according to the installation location, size and elevation in the drawing out of doors and Windows, doors and Windows on both sides of the doors and Windows to the edge line.

youdao

划线定位：根据设计图纸中门窗的安装位置、尺寸和标高，依据门窗中线向两边量出门窗边线。

Line location: according to the installation location, size and elevation in the drawing out of doors and Windows, doors and Windows on both sides of the doors and Windows to the edge line.

youdao