3ÔÂ30ÈÕ£¬É½¶«À³ÑôÌ·¸÷ׯÕòÕý³£³ö¿â£¬¹ûÅ©ºÃ»õÒª¼ÛÇ¿Ó²£¬Èý¼¶¹ûºÃ»õ¼Û¸ñÉÔÓÐÉÏÕÇ£¬¹ûÅ©»õ80#Ò»¶þ¼¶Æ¬ºì3.0Ôª/½ï£¬ºÃ»õ¸ß¼Û3.5Ôª/½ï£¬80#ͳ»õ2.0-2.5Ôª/½ï£¬Èý¼¶¹û1.3-2.3Ôª/½ï£¬³É½»ÒÔÖÊÂÛ¼Û¡£