1ÔÂ5ÈÕ£¬É½Î÷Ô˳ÇÁÙ⢲úÇø¹ûÅ©»õ½»Òײ»¿ì£¬¶àÒÔ¿ÍÉÌ·¢×Դ棬80#ÒÔÉϹûÅ©»õÖ½¼ÓĤ2.2-2.4Ôª/½ï£¬75#ÒÔÉÏĤ´ü¸»Ê¿1.4-1.5Ôª/½ï£¬¿´»õ¶¨¼Û¡£ÉÙÁ¿°ü×°ÀñºÐ·¢»õ£¬½ÚÈÕ±¸»õ»ý¼«ÐÔÒ»°ã¡£