12ÔÂ15ÈÕ£¬ÉÂÎ÷μÄÏ°×Ë®²úÇø£¬¹ûÅ©»õµ÷»õ½ÏÉÙ£¬ÂÔÏÔÓмÛÎÞÊУ¬¿ÍÉ̶àÒÔ·¢×Ô´æΪÖ÷£¬70#ÒÔÉϹûÅ©»õ2.8-3.6Ôª/½ï£¬¿´»õ¶¨¼Û¡£¹ûÅ©³ö»õÒâÔ¸ÔöÇ¿£¬µ«²úµØÕûÌå½ÚÈÕ±¸»õ·ÕΧ²»Ç¿£¬×ß»õ·Å»º¡£