The field application proves that the corrosion free service life of plain rod with brush plating is more than two times as long as that of the original one.
现场应用情况表明，采用电刷镀镀层的光杆，无腐蚀使用寿命已经达到原来的两倍以上。
The field application proves that the corrosion free service life of plain rod with brush plating is more than two times as long as that of the original on...
现场应用情况表明，采用电刷镀镀层的光杆，无腐蚀使用寿命已经达到原来的两倍以上。
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