Nyob rau hauv lub realm ntawm mechanical fais fab kis tau tus mob, kev siv lub zog yog ubiquitous, nrog rau txhua hom muab tshwj xeeb zoo rau cov kev siv tshwj xeeb. Ntawm cov no, lub bevel helical iav, tshwj xeeb tshaj yog thaum muab tso rau hauv reducers, sawv tawm raws li ib tug pinnacle ntawm engineering ingenuity. Ib bevel g...
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