˾Ժͬص㷨һ

һ¡һ涨

ص㷨
ڶƺͬƽȻˡˡֹ֮֯ȨϵЭ顣
໤йݹϵЭ飬ɵĹ涨

˼ֽ⡿
1ҹͬĺͬºͬȰ趨ծȨծϵծȨͬҲ趨ȨϵȨͬѺͬȡ
2ע2ڡͬЭ顣
3Э飬ƽ֮ĺͬ
(1)ʹȨúͬ
(2)ũаӪȨͬ
4Э飬ڱƵĺͬ
(1)ҵаӪЭ飻
(2)ǩκͬ