Liniya kalozera makamaka imayendetsedwa ndi mpira kapena wodzigudubuza, nthawi yomweyo, opanga linear ambiri owongolera adzagwiritsa ntchito chitsulo chokhala ndi chromium kapena zitsulo zokhala ndi carburized, PYG makamaka imagwiritsa ntchito S55C, motero kalozera wama mzere ali ndi mawonekedwe a katundu wapamwamba kwambiri, kulondola kwambiri komanso torque yayikulu. . Poyerekeza ndi tr...
Werengani zambiri