镀镍层SEM照片显示，镀镍层晶粒尺寸大小均匀，各晶粒间结合紧密，孔隙率低，耐腐蚀能力强。
The SEM photo shows that the nickel deposit has even crystal size, good adhesion, low porosity and strong corrosion resistance.
镀镍层SEM照片显示，镀镍层晶粒尺寸大小均匀，各晶粒间结合紧密，孔隙率低，耐腐蚀能力强。
The SEM photo shows that the nickel deposit has even crystal size, good adhesion, low porosity and strong corrosion resistance.
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