Gong cheng gu jia =

Ben shu chan shu le gong cheng gu jia de ji chu zhi shi,Jian she gong cheng zao jia de gou cheng,Gong cheng jian she ding e de yuan li,Jian zhu mian ji ji suan gui ze,Gong cheng ji liang ji ji jia de yi ju he fang fa.Bing jie he an li dui gong cheng jian she bu tong jie duan de ji jia fang fa ru tou zi gu suan,She ji gai suan,Shi gong tu yu suan,Gong cheng liang qing dan ji jia deng jin xing le jie shao.Zhong dian dui jian zhu gong cheng gong cheng liang ji suan gui fan ji gong cheng liang qing dan ji jia gui fan jin xing le chan shu.