发布时间:2025-02-04 02:27:50
【答案】:A
吊杆、龙骨的尺寸与间距应符合下列规定:①不上人吊顶的吊杆应采用不小于直径6mm的钢筋、M6全牙吊杆或直径不小于2mm的镀锌低碳退火钢丝;②上人吊顶的吊杆应采用不小于直径8mm的钢筋或M8全牙吊杆。
求各位秘书前辈你们在给领导整理办公桌面文件的时候是如何分类的怎样做文件好找又不会显乱
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