一间教室长9米宽6米高3米要粉刷教室的天花板和四面墙壁除去门窗和黑板面积16平方米要粉刷面积是
2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54 2025-02-05 08:52:54