4. Aluminom alloy Dị ka anyị niile maara, thermal conductivity nke aluminum alloys bụ nnọọ elu. E wezụga, aluminum alloys nwekwara elu reflectivity. Ya mere, ọ bụrụ na achọrọ ịgbado ọkụ laser maka alloys aluminum, achọrọ njupụta ike dị elu. Dịka ọmụmaatụ, usoro nkịtị 1 ruo 5 nwere ike welded site na la ...
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