µÂ¹úÊ©µÂ¸£¸ëÒ©×£ºØ¸ëÓÑÒüÎÄ»ªÊ¹ÓÃÊ©µÂ¸£±ÈÈü²úÆ·Ó¶áÌì½òÐÅÔó¹«ÅïÈý¹Ø¸ëÍõ5Ãû£¬Âí½ÝÈý¹Ø¸ëÍõ2OÃûµÄºÃ³É¼¨¡£