3ÔÂ30ÈÕ£¬É½¶«ÑĮ̀ÆÜϼÉßÎѲ´ÕòÀä¿â³ö¿â¼Û¸ñÎȶ¨£¬Êг¡¿´»õ¿ÍÉÌÔö¶à£¬µ«ÕûÌå³É½»Á¿Ò»°ã£»¹ûÅ©»õ80#ÒÔÉÏ£¨ÌõÎÆ£©Ò»¶þ¼¶³ö¿â¼Û¸ñ3.5Ôª/½ï£¬80#ͳ»õ2.0-2.4Ôª/½ï£¨2.4ÒÔÉÏ»õÔ´ÄÑÑ°£©£¬Èý¼¶¹û1.3-2.0Ôª/½ï£¬¿ÍÉÌ»õÒª¼Û»ù±¾ÔÚ4.0Ôª/½ïÒÔÉÏ£¬³É½»½ÏÉÙ¡£