Ka ts'ebetso, ho na le lisebelisoa tse fapaneng tse netefalitsoeng bakeng sa ho etsa li-blow bar. Tsena li kenyelletsa litšepe tsa manganese, litšepe tse nang le sebopeho sa martensitic (tseo ho buuoang ka tsona tse latelang e le litšepe tsa martensitic), litšepe tsa chrome le Metal Matrix Composites (MMC, egceramic), moo litšepe tse fapaneng ...
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