发布时间:2025-01-31 04:04:57
不等边角钢理重计算:
W(kg/m)
=0.00785*边厚*(长边宽+短边宽-边厚)
=0.00785*1.2*(190+43-1.2)
=2.1836(kg/m)
不过,你确认是43*190*1.2而不是43*190*12?(你的角钢也太薄了吧?)
天河石蓝色蓝绿色绿色那种比较好我有一条蓝绿偏绿的天河石塔链有一些小黑点最低值多少
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