Ô¼ÓÐ 0 Ïî·ûºÏ �����¹�Ԥ�����¹ʵ�Ӧ������ µÄ²éѯ½á¹û£¬ÒÔÏÂÊǵÚ1-20 Ïî £¨ËÑË÷ÓÃʱ 0.075 Ã룩 ÍøÒ³£º
±§Ç¸£¬ÔÚ×ÊÁÏÖÐûÓÐÕÒµ½·ûºÏ�����¹�Ԥ�����¹ʵ�Ӧ������µÄ²éѯ½á¹û. ÇëÖØÐÂËÑË÷¡£