That is, a layer of material containing Si, Al, Sn and other elements is coated on the surface of the substrate to prevent the corrosion of the substrate by AO
That is, a layer of material containing Si, Al, Sn and other elements is applied to the surface of the substation to prevent AO from eroding the substation
In other words, a layer of material containing Si, Al, Sn and other elements is coated on the surface of the matrix to prevent the corrosion of Ao on the matrix<br>