The surface quality of the moulding shell is the key factor influencing the surface quality of precision castings.

影响精铸件表面质量的关键因素是型壳表面的质量。

youdao

The surface quality of the moulding shell is the key factor influencing the surface quality of precision castings.

影响精铸件表面质量的关键因素是型壳表面的质量。

youdao