1.ä¹°åçªèï¼å
å¨å·æ°´ä¸æµ¸æ³¡çº¦20åéï¼ç®çæ¯å»é¤æµ®å¨çªèä¸çæè´¨ã
2.ç¨ç²çå é¢ç²å次æ¶æ¹çªèï¼åå¤ææï¼é¢ç²å¯ä»¥èµ·å°å¸¦å»çªèä¸é¢èµç©çä½ç¨ï¼ç²ççé¢ç²æææ¤ä½ç¨ã约两ä¸åéåï¼å²æ°´æ´åã
ãã3.ç¨ç½éæç±³éåå°çªèææ约ä¸åéï¼åºæ¬ä¸åå¹²åæ å¼å³ççªèå°±åç°å¨ä½ é¢åäºã
ãã4.æåï¼å°é
ä¸ç§å¼æ°´ï¼å°çªèæ¾è¿å»ç
®çº¦ä¸åéæèµ·ï¼ç¨åæåªåå次å®æçªèä¸æ®ççç½è²è¥æ²¹
温馨提示:答案为网友推荐,仅供参考