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304 316 umbhobho wentsimbi engenamthungo
Umbhobho wensimbi yi-cylinder engenanto yentsimbi enesetyhula okanye i-polygonal cross-section. Ihlala isetyenziselwa ukwakhiwa, ukwenziwa koomatshini, ishishini lepetrochemical kunye namanye amacandelo.
Umbhobho wensimbi yi-cylinder engenanto yentsimbi enesetyhula okanye i-polygonal cross-section. Ihlala isetyenziselwa ukwakhiwa, ukwenziwa koomatshini, ishishini lepetrochemical kunye namanye amacandelo.
