Tushen sarkar nasa ne na tuƙin meshing tare da sassauƙa na tsaka-tsaki, wanda ke da wasu halaye na tuƙi da bel ɗin tuƙi. Idan aka kwatanta da tuƙi na gear, faifan sarkar yana da ƙananan buƙatu don masana'anta da daidaiton shigarwa, mafi kyawun yanayin damuwa na haƙoran sprocket, wasu bufferin ...
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