求翻译：3为了防止抹灰层的污染和打凿损坏，抹灰应待上下水、电缆、各种管道等安装完毕后进行，在施工中并应采取相关防护措施对已完的安装设备、管道等保护。是什么意思？

3 layers of plaster in order to prevent pollution and drilled damaged plaster should be up and down the water, cables, pipes, etc. After installation, all carried out in the construction and protective measures should be taken to have completed the installation of equipment, piping and other protect

plastered layer 3 in order to prevent the pollution damage, plastering and sunk the water should be treated, and cables, pipelines, and so on, after installation in the construction and related protective measures should be taken to finish the installation of equipment, piping, and other protection.

3 in order to prevent the plastering level the pollution and hits chisels the damage, after the plastering should treat launches, installments and so on electric cable, each kind of pipeline finished carries on, and should take the correlation protective measure in the construction to install protec

3 in order to prevent the pollution of plaster layer and pick damaged, plaster should be shangxiashui, cables, pipes, and so after the installation is complete, in construction and related protective measures should be taken to have finished the installation equipment, pipes and other protection.

3 layers of plaster in order to prevent pollution and drilled damaged plaster should be up and down the water, cables, pipes, etc. After installation, all carried out in the construction and protective measures should be taken to have completed the installation of equipment, piping and other protect