单词nitrogenation
网络: 氮化；氮化作用；氮平衡
3 the screws and bushes are subjected to nitrogenation treatment to get enough strength and wear-resistance.
螺杆和衬套均经过氮化处理，具有足够的强度和耐磨性。
Localization of Salt Bath Nitrogenation Technology
盐浴氮化技术国产化
Process Practice of Soft Nitrogenation for Extrusion Mould
挤压模具软氮化工艺实践