Waa maxay boolal loo baahan yahay in la baaro? hababka kormeerka bool Kormeerka tayada waxaa laga samayn karaa dhinacyo badan sida load tensile bool la dhammeeyey, imtixaanka daal, imtixaanka adag, imtixaanka torque, xoog jilicsanaanta bolt oo dhammaatay, daahan bolt, qoto dheer ee lakabka decarburized, iwm Wixii fastener produ ...
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