ä¸åé¢è²ãä¸åå家çled
åå
äºæ管çå·¥ä½çµåæ¯ä¸åçãå个管è¯ççµåä¸è¬ä¸º 3ä¼å·¦å³ï¼äºæ管æ¯ææ¹åçï¼äºç«¯å为æ£è´æï¼ä¸²èéè¦é¦å°¾ç¸è¿ï¼çµåç¸å ãå¦æä¸æ¯ä¸º3ä¼ï¼10åªä¸²èå°±æ¯30ä¼ï¼ä¸²èçäºæ管æ§è½è¦ä¸è´ï¼æµè¿ç¸åççµæµï¼çµæµä¸è½æ大æå°ï¼ä¹ä¸è½è¶
è¿äºæ管çå
许çµæµãæ´å
·ä½çéè¦çä¸ä¸ä¹¦ç±ã