Door opening height measurement method: from the finished floor surface (the surface after the tiles are applied) to the lowest point of the door opening top
Door opening width measurement method: from the narrowest part of the left and right vertical lines of the wall
Door opening wall thickness measurement method: from the finished surface size after the wall panels are applied
Special cases:When encountering left and right vertical walls: the finished surface of the wall after the wall panels are applied indoors is the width size of the door frame
