å¯ä¸å¯ä»¥åæ¾ç¤ºå±æ¾ç¤ºï¼æ影仪åªæ¾ç¤ºppt,ç¬è®°æ¬å¨æè¾¹
追çä½ æ¯æ³æ影仪æ¾ç¤ºçåç¬è®°æ¬å±å¹ä¸ä¸æ ·çåï¼åè
http://wenku.baidu.com/link?url=gLbmVie-uzhX8my9OZVv4scbTAJWB83weu5dj9MlA3QdugF_sjyUm69ALlawsjGid8yiOt7g5c5OcPwjWWLfGLw2QlGlS02n68Tc5Vv69fO