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选择轻钢吊顶龙骨截面型号未考虑方便维修北京铁路局北京勘测设计院卞龄年现象通常轻钢吊顶龙骨截面型号按建筑构造图集的要求应根据吊顶的维修工作情况分为三类进行选择：１．轻型：不能承受上人荷载；２．中型；能承受偶然上人荷载，可在其上铺设简易检修马道；３．重型...
Select the light steel ceiling keel section model did not take into account the convenience of maintenance Beijing Bureau of Survey and Design Beijing Bureau of Bianling phenomenon usually light steel ceiling keel section model building atlas requirements should be based on the ceiling maintenance work is divided into three categories to choose from: 1. Light: can not afford the load on the people; 2. Medium-sized; can withstand the accidental man load, laying on it can be easily overhauled Ma Road; 3. Heavy ...