12ÔÂ16ÈÕ£¬ÉÂÎ÷ÏÌÑôǬÏزúµØ¿´»õ¿ÍÉ̼õÉÙ£¬¿âÄÚ70#Æð²½Ö½´ü¸»Ê¿ÐèÇó¼õÈõ£¬70#Æð²½Ö½´ü¹ûÅ©»õ1.6-1.8Ôª/½ï£¬60#Æð²½Ö½´üС¹û1.2-1.3Ôª/½ï¡£¿âÄÚС¹ûºÍĤ´ü¸»Ê¿³ö¿âÉпɣ¬70#Æð²½Ä¤´ü¸»Ê¿0.8-1.2Ôª/½ï£¬·¢µçÉÌΪÖ÷¡£