12ÔÂ25ÈÕ£¬ÁÉÄþÅ̽õ´óÈâʳ뼦¼Û¸ñÉϵ÷0.05Ôª/½ï£¬µ±µØ5.0½ïÒÔÉÏ´óÈâʳ뼦Êг¡½ø³¡Ö÷Á÷¼Û¸ñ4.10-4.15Ôª/½ï¡£

Ñø»§Ñ¹À¸Ï§ÊÛ£¬¹©Ó¦Ö§³Å뼦¼Û¸ñ¡£²¿·ÖÍÀÆóÉϵ÷²úÆ·¼Û¸ñÒâͼÍÆÕÇ£¬Ð§¹ûÓÐÏÞ¡£