Ni Cr Mo txias hardening centrifugal composite
Scope ntawm daim ntawv thov: nruab nrab thiab tiav dov stands ntawm profile, bar thiab hlau mills.
Sau koj cov lus ntawm no thiab xa tuaj rau peb
Scope ntawm daim ntawv thov: nruab nrab thiab tiav dov stands ntawm profile, bar thiab hlau mills.