Mankhwala oyeretsedwa kwambiri ndi chinthu chofunikira kwambiri chothandizira kupanga mabwalo akuluakulu ophatikizika ndi mabwalo ophatikizika ophatikizika, omwe amagwiritsidwa ntchito kwambiri kuyeretsa, etching, etching, ndi ma electrolyte amphamvu amagetsi, zida zamagetsi, tchipisi tambiri, discrete, gulu lathyathyathya. mawonekedwe, S...
Werengani zambiri