求翻译：顶棚在屋面的防水层施工完毕，墙面抹灰、顶棚内各种管线安装完后进行。罩面板安装前，按分块尺寸弹线；安装顶棚由中间向四周对称排列，墙面与顶棚的接缝交圈一致。材料采用轻钢龙骨。半成品进厂时配套供应，是什么意思？

Roof waterproofing layer in the roof construction is completed, the wall plaster, roof after the installation of various pipelines. Zhao Mianban before installation, by sub-block size bomb line; install the roof from the middle to the surrounding symmetrically arranged, walls and ceiling of the same

roof waterproofing of the roof construction has been completed, wall c