发布时间:2025-01-20 13:38:43
钢结构厂房屋顶上的压型钢板是怎么固定的
使用专业的(带有防水垫、密封垫)六角头自攻钉。当被固定压型钢板凸起较高时还需要加设专用支架支撑,将屋面彩钢板固定在檩条(薄壁冷弯型材)。
我的手机是飞利浦的但是后面写型号的标识没有了还能用什么方法查机型
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