短語詞組短語quenching and tempering hardness 調(diào)質(zhì)硬度quenching and tempering steels 調(diào)質(zhì)鋼quenching and tempering steel 郃金調(diào)質(zhì)鋼direct quenching and tempering 直接淬火廻火quenching and tempering treatment 調(diào)質(zhì)処理quenching and tempering processes 淬廻火工藝quenching and tempering technology 調(diào)質(zhì)工藝oil quenching and tempering 油淬調(diào)質(zhì) 返回 quenching and tempering