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高频淬火 gāopín cuìhuǒ
avia. high-frequency quenching
met. high frequency quenching
tech. hardening by high frequency current; high-frequency hardening; high-frequency induction hardening; induction hardening
高频加热淬火
met. high frequency hardening
高频淬火: 27 phrases in 3 subjects
Metallurgy15
Steel production2
Technology10