- bright hardening
- bright quenching
- 光亮: bright; luminous; shiny; shi ...
- 淬火: quench; quenching; chilling; ...
- 光亮淬火油: bright quenching oil
- 网带输送式光亮淬火炉: mesh belt conveyor bright quenching furnace
- 光亮: bright; luminous; shiny; shine; burnish
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