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 wam'manja ali ndi mawonekedwe a katundu wambiri, kulondola kwambiri komanso torque yayikulu. . Poyerekeza ndi tr...
Werengani zambiri