焊管内纳米防腐漆外光的翻译：Welded pipe of nano anticorrosion coating in light 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Pipe Nei Nami anticorrosive paint outside light

Welded pipe of nano anticorrosion coating in light

In welded pipe outside nanometer anti-corrosive varnish light

Welded tube, nm protective coatings, optical

Welded pipe of nano anticorrosion coating in light