Composed largely of tungsten carbide (WC) bits bonded with a metal binder, such as cobalt, cemented carbide combines the toughness of tungsten with the sturdiness of various other metals. The composition of cemented carbides can be customized to fit certain applications, leading to the manufacturing
???????????? iOS ?????????????????????????????????????????????????????????????????????????
???????????????????????PC??????Mac?????????????????????????????????????????? Windows?Mac ? Linux ??????? PC ???????? Apple ???????????????????????????????????????????????????????????????????????????????????