
1.ѵĿģ
ͨӵѵͼؿӷ

2.ϰ
˶۾Ļ40-50ףӾʼշͼĵԲϣ֪£ңߵ֡϶£󣩽Сֲ跴ϰÿͼ1Ϊһѵڡ

3.ע
(1)Ӿʼչ̶ĵ㣬ͷԷӦҪ
(2)ÿһҪܺɵؿܽһϰ
