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dhaqaaq toosan Ball boolal
Kubbad rullaluistemadka leh ee kubbadda kubbadda kubbadda cagta waa qaybaha gudbinta ee ugu badan ee loo isticmaalo mashiinnada aaladda iyo mashiinnada saxda ah, oo ka kooban fur, lowska, kubbadda birta, xaashida hore loo raray, aaladda gadaal u rogtay, aaladda aan boodhka lahayn, shaqadeeda ugu weyni waa inay u beddesho dhaqdhaqaaqa wareegga dhaqdhaqaaqa toosan. ama torque galay axial xoog soo noqnoqda, isla mar ahaantaana leh sifooyin sax ah oo sarreeya, dib loo rogi karo oo hufan.Sababtoo ah iska caabbinta khilaafaadkeeda hoose, boolal kubbadda waxaa si ballaaran loogu isticmaalaa isku-dheelitirka warshadaha kala duwan ...
