1. Mutual floor area still includes to cover with the midfeather between public construction , and outside wall ( include frontispiece ) the level is umbriferous the floor area of area half.
共有建筑面积还包括套与公共建筑之间的分隔墙，以及外墙（包括山墙）水平投影面积一半的建筑面积。
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2. Mutual floor area still includes to cover with the midfeather between public construction , and outside wall ( include frontispiece ) the level is umbriferous the floor area of area half.
