Akwai hanyoyi da yawa don rarraba Rolls, galibi: (1) Rolls Rolls, Rolls Rolls, Rolls Rolls, da dai sauransu bisa ga nau'in samfura;(2) tungsten carbide Rolls, m Rolls, gama Rolls, da dai sauransu bisa ga matsayi na Rolls a cikin niƙa jerin;(3) ma'auni karya Rolls, perforating rolls, le ...
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