What is the lime line before construction?
Pit pit sideline: to add the working surface and the slope increasing the length of the building, the outer edge part, is outside the inner contour, subtract the wall column.
There are two lines. On the side of the foundation pit, if you need to put the slope, there is also the side line of the slope.
There are two lines. On the side of the foundation pit, if you need to put the slope, there is also the side line of the slope.
