2ÔÂ15ÈÕ£¬É½Î÷ÁÙ·ÚÊг¡½úÅ´3ºÅ£¬Ã³Ò×É̳ö»õ±¨¼Û2.4Ôª/½ï£¬¼Û¸ñά³ÖÎȶ¨£¬Êг¡»õÔ´½ÏÉÙ¡£ÏÂÓξƳ§¿ª¹¤²»¶à£¬Ã³Ò×É̳ö»õ²»¿ì¡£