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. Umcimbi welinye ilizwe ungena ekufeni, i-ring iphuma kumjikelo, umsantsa phakathi kwe-ronulleng roller kunye ne-ronulleng roller ayinakuhamba (i-ronulleng roller icinyiwe, kwaye iguqule i-ronung ye-rold).
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(4) Ishabi ephambili ayiqinisekanga, ngakumbi ngohlobo lwe-D Ukuba ishabi ephambili ikhululekile, iya kubangela intshukumo ye-axial ngasemva nangaphandle. Intwasahlobo kunye ne-Nut Sut).
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. I-Shanghai Zhengyi Zhengyi inamava angaphezu kwe-20 yokufakelwa kwe-roller i-roller yeringi, sinikezela nge-roller emiselweyo ye-ring, eya kuthi iqiniseke ukuba i-rollet isebenze, kwaye inyamezele ixesha elide lokuvelisa, kwaye linyamezele ixesha elide ukubaleka.
. Ukuba izinto ezingafunekiyo zomile okanye kakhulu, ukukhutshwa kuya kuba yinto engaqhelekanga kwaye igramure isebenze ngendlela engaqhelekanga.
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