10ÔÂ13ÈÕ£¬ÉÂÎ÷ÑÓ³¤²úÇøÍíÊ츻ʿ75#ÒÔÉÏͨ»õ3.5-3.9Ôª/½ï£¬75#ÒÔÉÏ°ëÉÌÆ·3.9-4.3Ôª/½ï£¬²ùÔ°3.0-3.5Ôª/½ï£¬¿´»õ¶¨¼Û¡£Ä¿Ç°ÒÔ´ó¹«Ë¾¶©»õΪÖ÷£¬Êг¡¿ÍÉ̶ദ¹ÛÍû״̬¡£