Fasteners ndi mtundu wa zida zamakina zomwe zimagwiritsidwa ntchito polumikizira ndipo zimagwiritsidwa ntchito kwambiri.Zomangamanga zimagwiritsidwa ntchito m'mafakitale osiyanasiyana, kuphatikiza mphamvu, zamagetsi, zida zamagetsi, makina, mankhwala, zitsulo, nkhungu, ma hydraulics, etc., mu makina osiyanasiyana, ...
Werengani zambiri