1ãéçµå¾®åå¹²æ´å¨ï¼ç²å¨è¡£æä¸çæ¯å¯ä»¥ç¨å®ç´æ¥å»æ¯ï¼ä»·æ ¼ä¾¿å®ã
2ãè¡£æå»æ¯çå¨ï¼çµå¨å»æ¯ï¼è¿ç§é¤äºå»æ¯è¿å¯ä»¥è±æ¯ï¼æ¯é对ææ¯ç»çè¡£æçã
ä»·æ ¼è¾è´µä¸äºã
3ãç®åå¯è¡ï¼è¶å¸¦å»æ¯