3ÔÂ29ÈÕÏûÏ¢£¬É½¶«ÕÐÔ¶ÕгDzúÇø³ö¿â¼Û¸ñÔÝÎÈ£¬ÊÜÇåÃ÷±¸»õÌáÕñ£¬²úµØ¿ÍÉÌÓÐËùÔö¶à£¬ÕûÌå½»Ò×Éпɡ£80#Ò»¶þ¼¶¹ûÅ©»õ¼Û¸ñ3.2Ôª/½ï×óÓÒ£¬80#ͳ»õ¼Û¸ñ2.3-2.5Ôª/½ï£¬³É½»ÒÔÖÊÂÛ¼Û¡£