7ÔÂ5ÈÕ£¬ ºÓÄÏÐÂÏçÊг¡Ã«²Ë×Ѽ۸ñ3.15-3.20Ôª/½ï£¬¾»²Ë×Ѽ۸ñ3.40Ôª/½ï¡£º¬ÓÍÂÊ41-42%£¬Ë®·Ö9%¡£ óÒ×ÉÌ×ß»õÉпɡ£