然而，对于由机械加工获得的金属机械零件，必须考虑零件内存在的残余应力对热变形误差的影响。

However, for the metal mechanical parts which are processed by mechanical method, the influence of its inner residual stress on the thermal deformation error should be considered.

youdao

然而，对于由机械加工获得的金属机械零件，必须考虑零件内存在的残余应力对热变形误差的影响。

However, for the metal mechanical parts which are processed by mechanical method, the influence of its inner residual stress on the thermal deformation error should be considered.

youdao