HBS250~300應(yīng)改為______;600~650 HBS應(yīng)改為______;5~10HRC應(yīng)改為______;HRC70~75應(yīng)改為______。HBS250~300應(yīng)改為______;600~650 HBS應(yīng)改為______;5~10HRC應(yīng)改為______;HRC70~75應(yīng)改為______
HBS250~300應(yīng)改為______;600~650 HBS應(yīng)改為______;5~10HRC應(yīng)改為______;HRC70~75應(yīng)改為______。HBS250~300應(yīng)改為______;600~650 HBS應(yīng)改為______;5~10HRC應(yīng)改為______;HRC70~75應(yīng)改為______