5ÔÂ6ÈÕ£¬°²»Õ°ö²º»³Ô¶µØÇøÅ´µ¾¹ºÏúÉпɣ¬¶ËÎç½ÚÇ°±¸»õÔö¼Ó£¬Å´Ã××ß»õÉпɣ¬Ô²Á£Å´µ¾²Î¿¼¼Û1.45-1.50Ôª/½ï£¬Å´Ã׳ö³§¼Û¸ñ1.95-1.98Ôª/½ï¡£