Austempering yog txo cov deformation ntawm steel yeeb nkab thiab ib tug zoo txoj kev ntawm quenching tawg Jian, tab sis yuav ua li cas siv cov txheej txheem yuav tsum tau raws li tsim nyog seamless steel yeeb nkab khoom, loj, hardness thiab toughness, deformation yuav tsum tau, thiab tej yam kev ua hauj lwm t ...
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