4ÔÂ2ÈÕ£¬ÄÚÃɹÅͨÁÉ¿ªÂ³µØÇøµ±µØ»õÔ´´óÃ÷ÂÌÑ¿¶¹Ã«Á¸ÊÕ¹º¼Û5.1-5.2Ôª/½ï£¬¾»Á¸³ö»õ²Î¿¼¼Û6.4-6.5Ôª/½ï£¬Êг¡×ß»õ²»¿ì£¬µ±µØ¹ºÏú·ÕΧ½ÏÇåµ­£¬ÐÐÇ鲨¶¯²»´ó¡£