3ÔÂ18ÈÕ£¬ºÓ±±ÕżҿÚijÁ¸ÓÍÉ̱¨Ð¡Ã÷ÂÌÑ¿¶¹³ö»õ²Î¿¼¼Û7.2Ôª/½ï£¬ÉÌÆ·Â̶¹³ö»õ²Î¿¼¼Û4.5Ôª/½ï£¬É̼Ò×ß»õ²»¿ì£¬ÐèÇó³ÖÐøÆ£Èí¡£