Ṣaaju ki o to sọ ọrọ, Mo nilo lati jẹrisi diẹ ninu awọn alaye pẹlu rẹ.
1.Could o jọwọ jẹ ki mi mọ ohun ti o nlo ọja yi fun?
2.What ni awọn ibeere fun itọsọna ti magnetization?Ni gbogbogbo, a lo magnetization axial.
3.What ni awọn ibeere fun plating?Nickel plating, sinkii plating, iposii resini plating.
4. Kini awọn ibeere rẹ fun awọn ifarada gbogbogbo?