渗碳处理一种冶金镀膜工序┃,在此工序中把钢或铁浸入另一种金属如锌、铬或铝的粉剂里、,并加热至这一金属的熔点温度以下 A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either.
他将刀子浸入沸水中〓。 He immersed the knife in boiling water.