5ÔÂ7ÈÕ£¬ºÚÁú½­Ê¡¼¦Î÷ÊÐÃÜɽÊÐóÒ×É̱¨ÈÕ±¾ºìС¶¹³ö»õ²Î¿¼¼Û7.6-7.7Ôª/½ï£¬¼Û¸ñ¸ßλÔËÐУ¬Êг¡³É½»ÓÐÏÞ£¬É̼Ұ´Ðè·¢»õ¡£