With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀
等工艺。
层；达克罗处理；达克罗
With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀等工艺。
声明：以上例句、词性
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，
未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
