1ÔÂ10ÈÕ£¬ÉÂÎ÷Âå´¨²úÇø×ß»õËÙ¶ÈÓÐËù¼Ó¿ì£¬ÖܱßÏçÕòСµ¥³µ·¢»õÔö¶à£¬¹ûÅ©»õ¼Û¸ñÔÝÎÈÔËÐУ¬70#ÒÔÉÏͳ»õ2.9-3.3Ôª/½ï£¬70#ÒÔÉÏ°ëÉÌÆ·3.5-3.8Ôª/½ï£¬¿âÄڸߴÎ1.5-2.3Ôª/½ï£¬70-75#ϼñÖ÷Á÷1.6-2.0Ôª/½ï£¬¿´»õ¶¨¼Û¡£ÍâóС¹ûµ÷»õÒ²ÓÐËùÔö¶à£¬65#¹ûÅ©»õ2.2-2.3Ôª/½ï£¬65#¿ÍÉÌ»õ2.6Ôª/½ï£¬¿´»õ¶¨¼Û¡£²úÒµÔ°Àä¿â°ü×°ÀñºÐÔö¶à£¬¿ÍÉ̶à´ò°ü×Ô´æ»õÔ´¡£