flowchart TD A[钢铁工件] --> B["预处理
(清洗,酸洗,助镀)"] B -->C ["浸泡于 450 degree
熔融锌液"] C --> D[取出冷却] D --> E["形成多层结构的
致密镀锌层"] E --> F subgraph F[核心防腐蚀原理] direction LR G[屏障保护] --> H["致密的锌层
物理隔离钢铁与腐蚀环境"] I[阴极保护] --> J["锌作为"牺牲阳极"
优先腐蚀以保护钢铁基体 "] Xaus
Kub Dip Galvanizing (HDG) yog cov txheej txheem ntawm cov kab ke tsis sib xws (tu, thiab sib sau ua ke los ntawm cov hlau dinc thiab diffusion.
