高频淬火机
high-frequency hardening machine
high frequency quenching machine
高频淬火机床
high frequency quenching machine
高频表面淬火
high frequency case hardening
高频电流淬火法
hardening by high frequency current
高频电阻淬火
high-frequency resistance hardening
高频感应淬火成套设备
complete equipment for high frequency induction quenching
高频自冷淬火
high frequency self-cooling hardening
超高频频段
ultrahigh frequency(UHF) band
淬火+高温回火
quenching+ high temperature tempering
多频高频地波雷达
multi-frequency HF ground wave radar
高频/高压电场
high voltage high-frequency electric field