ä½ å¥½ï¼å¤©å¤©æ·è¡¥æ°´é¢èï¼ä¸ç²è¸å°±èµ·ç®ï¼å¯è½æ两个åå ï¼
1ãç²æ¯è¾å¹²ï¼å®¹æèµ·ç®ï¼èµ·ç®ä¹å«è±ç®ï¼
2ãç²ä¸éåä½ çè¤è´¨ï¼å®¹æè¿æèµ·ç®ï¼
3ãç®è¤å é¨ç¼ºæ°´ï¼æ·è¡¥æ°´é¢èåªæ¯è¡¥å ç»è表ç®æ°´åï¼å é¨è¿æ¯ç¼ºæ°´ç¶æï¼éè¦å¤é¥®æ°´å汤ã