separating wall造句怎麼寫

The floor space of multi-story building includes th e total floor space of each story, including area occupied by separating walls, watching rooms, doorways, and pillars, but excluding protruding wall structures, artistic decoration, etc.

According to Kemmerling this separating wall was as high as the surrounding crater rim 70 years before his survey, but it had subsequently eroded down by the time of his visit (Kemmerling, 1929).