Bikunze gukoreshwa urunigi rw'uruhererekane rw'uruhererekane rw'urutonde rw'urutonde, rusanzwe rukoreshwa mu mbonerahamwe yerekana ubunini bwa sprocket, ubunini buri hagati ya 04B kugeza 32B, ibipimo birimo ikibanza, diameter ya roller, ingano y'amenyo, intera y'umurongo n'ubugari bw'imbere, n'ibindi, kimwe n'umunyururu Bamwe uburyo bwo kubara.F ...
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