发布时间:2025-02-04 02:15:48
【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。
刚才看到一只蟑螂大摇大摆走进我床底怎么办 我快吓尿了 现在我在床上 随时都有幻觉蟑螂爬到我床上来了
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