Xian dai li yi yu gou tong

Ben shu jie shao le yu li yi he gou tong you guan de ji ben li lun,Ji ben ji neng ji qi zai ri chang sheng huo he gong zuo zhong de ying yong.Quan shu fen liang pian,Shang pian(li yi pian),Zhu yao nei rong bao kuo li yi dao lun,Xing xiang li yi,She jiao li yi,Xiao yuan he qiu zhi li yi yi ji ban gong li yi,Xia pian(gou tong pian),Zhu yao nei rong bao kuo gou tong dao lun,Zi wo gou tong,Yu yan gou tong he zu zhi gou tong.