4ÔÂ21ÈÕ£¬ºÓÄÏÄÏÑôÐÂÒ°²úÇøÂó²çͨ»õÃ×4.00-4.05Ôª/½ï¡£7¸öɸ4.25Ôª/½ï£¬8¸öɸ4.35Ôª/½ï£¬½»Ò×Á¿ÓÐËù¼õÉÙ¡£