退镀:将制件表面镀层退除的过程。
The plating: back to back the product surface finishes in the process.
金属表面镀层:黄金,黄铜,铜,镍或其他金属镀层。
钢管表面镀层均匀、光洁度高,外表美观,抗腐蚀性能优越。
Steel surface coating evenly, highly polished, beautiful appearance, superior corrosion resistance.
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