2ÔÂ15ÈÕÏûÏ¢£¬É½¶«ÅîÀ³´óÐÁµêÕòÀä¿â¼Û¸ñÎȶ¨£¬×ß»õÈÔÒÔÈý¼¶¹ûΪÖ÷£¬¿ÍÉÌÉÙÁ¿²¹»õ¡£¹ûÅ©»õ80#Èý¼¶¹û1.4-1.8Ôª/½ï£¬80#ÒÔÉÏÒ»¶þ¼¶Æ¬ºì3.0-3.4Ôª/½ï£¬85#3.5-4.0Ôª/½ï¡£