Carbon karfe bututu ne m karfe mashaya, babban adadin bututu don safarar ruwa kamar man, iskar gas, ruwa, gas, tururi, da dai sauransu Bugu da kari, tsunduma a lankwasawa, torsional ƙarfi, m, don haka shi yadu amfani a cikin kera sassan injiniya da tsarin injiniya. An kuma yi amfani da ...
Kara karantawa