Weld the earth connecting cable on the floor net which also based on the floor system drawings. 应根据接地系统图,在地网上焊接接地引下线。
Since most modern architecture has regular column net, when people mention grid method, tend to associate it with the column net on drawings. 由于现代主义建筑大多有规整的柱网,后来人们一提到网格,往往联想到的就是这些图纸上的柱网。