焊缝处的防腐层厚度，不得低于管本体防腐层规定厚度的80%。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
这也就是说总的涂层系统的厚度在任何一点都不能低于该规定值。
This means the total layer system thickness must not fall below the specified value at any point.
根据不同施工工具，按说明书规定的重涂间隔及涂膜厚度保证涂装质量。
According to different construction tools, according to the instructions specified interval and re-painted to ensure quality of coating film thickness.
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