2ÔÂ18ÈÕÏûÏ¢£¬É½¶«À³ÑôÌ·¸÷ׯÕò³ö¿â¼Û¸ñÎȶ¨£¬80#Ò»¶þ¼¶ÌõÎÆ3.0-3.2Ôª/½ï£¬Í³»õ1.7-1.8Ôª/½ï£¨ºÃͳ»õ¼õÉÙ£©£¬Èý¼¶¹û1.6-1.8Ôª/½ï£¬´º½ÚºóÄêºó¼¯Öв¹»õµþ¼ÓÒßÇéÒòËØ£¬½üÈÕ¿ÍÉÌÊýÁ¿ÓÐËù¼õÉÙ¡£