例如，一个三角形的形状被切断穿过一层和二层之间的网格，并放置在一个平面和坐标平面之外。

For example, one triangle shape was cut out crossing the grid between the first floor and the second, and placed beyond the X and Y coordinate plane.

youdao

例如，一个三角形的形状被切断穿过一层和二层之间的网格，并放置在一个平面和坐标平面之外。

For example, one triangle shape was cut out crossing the grid between the first floor and the second, and placed beyond the X and Y coordinate plane.

youdao