3ÔÂ7ÈÕ£¬ºÓ±±²×ÖÝ817뼦¼Û¸ñÉϵ÷£¬2.5-3.0½ï뼦ÅïÇ°Ö÷Á÷¼Û¸ñ4.50-4.60Ôª/½ï£¬³É½»Ð赥̸¡£Ã«¼¦³öÀ¸Á¿Îȶ¨£¬Êг¡½»Í¶Éпɣ¬Ô¤¼Æ¶ÌÆÚ뼦¼Û¸ñ»òÆ«ÎÈÔËÐС£