1ÔÂ8ÈÕ£¬ÉÂÎ÷Âå´¨²úÇø½»Ò×ÉÔÓÐÔö¶à£¬²¿·Ö¿ÍÉ̲ɹº¹ûÅ©´Î¹ûµÈ»õÔ´½øÐаü×°ÀñºÐ£¬×ß»õÉÔÓÐÌáËÙ£¬¹ûÅ©»õ¼Û¸ñÔÝÎÈÔËÐУ¬70#ÒÔÉÏͳ»õ2.9-3.3Ôª/½ï£¬70#ÒÔÉÏ°ëÉÌÆ·3.5-3.8Ôª/½ï£¬¿âÄڸߴÎ1.5-2.3Ôª/½ï£¬¿´»õ¶¨¼Û¡£