
1.ѵĿģ
ͨӵ㽻ѵʹӿ죬ͣʱ̣ӵתƵݳ̶ȡ

2.ϰ
˶Ȼ۾Ļ40-50ףĿԲѸ1ӶԽԽá

3.ע
(1)ϰʱҪգۡ
(2)Ҫݡӵλ׼ȷӾ