不锈钢管表面经过喷砂变得粗糙又很均匀，能增强油漆层对不锈钢管表面的附着力。

Stainless steel tube surface after sand blasting become rough and very evenly, can enhance the paint adhesion layer on the surface of stainless steel pipe.

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双钉式设计增强附着力，坚固不脱落。

Double nail could strengthen adhesion to avoid come off.

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氟化钠破坏金属晶格形成微小的蜂窝状结构，从而便于涂膜嵌入其中，达到增强涂膜附着力的目的。

Sodium fluoride destroys metal crystalline grain forming the small cellular structure it convenient for membrane imbed among them.

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