3ÔÂ21ÈÕÏûÏ¢£¬É½Î÷Ô˳ÇÁÙ⢵ØÇø½ñÈÕÁ賿¿ªÊ¼Öð½¥½â³ý¹Ü¿Ø£¬ÓÐЩ¹ûÅ©³ö»õÐÄ̬ÂÔÏÔ½¹¼±£¬Ä¿Ç°¼Û¸ñÔÝʱÎȶ¨¡£75#ÒÔÉÏĤ´ü¸»Ê¿³ö¿â¼Û¸ñ1.1-1.3Ôª/½ï£¬80#Ö½¼ÓĤ³ö¿â¼Û¸ñ2.0-2.3Ôª/½ï£¬80#ÒÔÉÏÇعÚ0.9-1.0Ôª/½ï¡£