cementation

詳細解釋：

ce.men.ta.tion

n.（名詞）
The act, process, or result of cementing.
粘結：膠結的動作、過程或結果
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.
滲碳處理：一種冶金鍍膜工序，在此工序中把鋼或鐵浸入另一種金屬如鋅、鉻或鋁的粉劑里，並加熱至這一金屬的熔點溫度以下