摘要:Manganese (pronounced /ˈmæŋɡəniːz/) is a chemical element, designated by th[阅读全文:]
摘要:QuenchA quench refers to a rapid cooling. In polymer chemistry and materials science, quenching is us[阅读全文:]
摘要:Structural steelStructural steel is steel construction material, a profile, formed with a specific sh[阅读全文:]
摘要:Aluminium , is a silvery white and ductile member of the boron group of chemical elements. It has the[阅读全文:]
摘要:Tinplate is sheet steel covered with a thin layer of tin. Before the advent of cheap mild steel the b[阅读全文:]
摘要:Silicon steelSilicon steel, also called lamination steel, silicon electrical steel, electrical s[阅读全文:]
摘要:Gold (pronounced /ɡoʊld/) is a chemical element with the symbol Au (Latin: aurum) and an atomic[阅读全文:]
摘要:Globalization or (globalisation) is the process by which the people of the world are unified into a s[阅读全文:]
摘要:A freight forwarder (often just forwarder) is a third party logistics provider. As a third party (or[阅读全文:]
摘要:In chemistry and manufacturing, electrolysis is a method of using an electric current to drive an oth[阅读全文:]