汉英词典
Chinese-English Dictionary
MEANING OF 淬火
淬火
to quench / to temper / to harden by quenching
退火
〈动〉把金属工件加热到一定温度，然后浸入冷却剂（油、水等）急速冷却，以增加硬度和强度等。
淬 cuì 火 huǒ
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