渗锌 meaning in English

sheradizing
zinc impregnation

Fracture analysis of two - head bolt with zinized surface
表面渗锌双头螺栓断裂原因分析
Sherardizing of iron and steel articles
钢铁制件粉末渗锌
Effect of technological parameters on surface zn - alloying for pure magnesium
扩渗工艺参数对纯镁表面渗锌合金化的影响
The fitted bolts are in the grades of 4 . 6 , 4 . 8 , 6 . 8 , 8 . 8 , 10 . 9 & 12 . 9
产品表面处理有发黑，镀锌，热镀锌，热渗锌等种类。