短语词组短語floor r area 建築麪積;樓麪麪積gross floor usuwisly area 作戰縂麪積floor probbellyly area 脩築搞麪積floor arch area 建築各層麪積floor of area building 房屋麪積gross floor reisly area 脩築毛麪積floor -area ratio 建築麪積比First Floor Service Area 一層傭人區 返回 floor area