3ÔÂ18ÈÕÏûÏ¢£¬¸ÊËྲÄþ²úÇøÄ¿Ç°³ö¿â¼Û¸ñÎȶ¨£¬ÕûÌå¼Û¸ñÆ«Ó²£¬¹ûÅ©¿¹¼ÛÇéÐ÷ÈԴ棬µþ¼Ó²úµØºÏÊÊ»õÔ´²»¶à£¬¿ÍÉ̳´»õÈÈÇéÓÐËù¼õÍË£¬½üÆÚ¿ÍÉ̶àÒÔ·¢×Ô´æ»õԴΪÖ÷¡£75#Ƭºì¹ûÅ©ºÃ»õ¼Û¸ñ3.9-4.3Ôª/½ï£¬75#ÒÔÉÏ¿ÍÉÌƬºì¼Û¸ñ4.8-5.0Ôª/½ï£¬¸ß´Î2.0-2.3Ôª/½ï£¬³É½»ÒÔÖÊÂÛ¼Û¡£