2ÔÂ22ÈÕ£¬ÖØÇìÈÙ²ýµØÇøóÒ×É̱¨ÃåµéÓÍÂ̶¹³ö»õ²Î¿¼¼Û4.2Ôª/½ï£¬Êг¡×ß»õÒ»°ã£¬ÖÕ¶ËÐèÇó²É¹ºÁ¿²»´ó¡£