求救,网格导入时的错误!!

kosum

大家好,我是第一次接触fluent,遇到个问题需要大家帮助,谢谢!!
我在导入3D的mesh文件时,fluent提示如下:
Reading "C:\Documents and Settings\s\566.msh"...
   36279 nodes.
      40 mixed pressure-inlet faces, zone  3.
      40 mixed pressure-outlet faces, zone  4.
      60 mixed pressure-inlet faces, zone  5.
    2500 mixed symmetry faces, zone  6.
    6750 mixed wall faces, zone  7.
   89125 mixed interior faces, zone  9.
   31250 hexahedral cells, zone  2.
Building...
     grid,
Removing 40 unreferenced faces, zone 3.
Removing 40 unreferenced faces, zone 4.
Removing 60 unreferenced faces, zone 5.
Warning: Number of nodes read (36279) does not match number referenced (36036).
Resetting counter to match the number referenced.
     materials,
     interface,
     domains,
     zones,
default-interior
wall1
sys1
Skipping zone jets (not referenced by grid).
Skipping zone outlet (not referenced by grid).
Skipping zone inlet (not referenced by grid).
fluid
     shell conduction zones,
Done.
他为什么会skip这些zone啊,我明明也划分了网格了,这些zone都是些平面,请问我该怎么办啊???