Xa uvelisa i-spandex, ingqalelo ekhethekileyo kufuneka ihlawulwe kwi-tension ejikelezayo, inani lezibalo kwi-cylinder, amandla okuqhawula, ukunyuka kwe-elongation, i-degree degree, i-oil adhesion amount, i-elastic recovery rate, njl. Ezi ngxaki zichaphazela ngokuthe ngqo. ukuluka, ngokukodwa...
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