“三防” 即三个防止、防护， 在电子行业，“三防”一般是指对电子产品“防霉菌、防潮湿、防盐雾”。而广义上，对产品进行表面处理，以降低或消除复杂环境对电子器件性能的不利影响。电子产品的生产厂商在生产、调试完成后的电路板上刷三防漆的过程即称为“三防”。
西微所--微电机杂志 关键词：铁路转辙机；有刷直流电机；无刷直流电机；三防 [gap=880]Key words: railway switching machine; brush DC motor; BLDC motor; three defenses
基于4个网页-相关网页
三防 three proofings (moisture proofing, salt spray proofing and fungus proofing)
基于1个网页-相关网页
It was processed with nanometer three-proofing paint that has the similar construction with lotus leaf. This kind of paint has the nature of hydrophobicity and oleophobic property.
其中的纳米涂层管道是用采用类荷叶结构的纳米三防涂料处理的管道,这种涂料有疏水和疏油的超双疏特性。
参考来源 - 油田防腐管道管输规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了装配式三防浮顶的结构原理与技术特点。
This paper introduces the structural and technical features of the three-proof floating roof.
其中地铁特制三防灯被放置在隧道里，可以起到照亮及防腐、防水、防尘。
The three-protection fixture is suitable for tunnel environment with its anti-corrosion, waterproof, dustproof features.
采用全封闭防护，三防效果好，造型美观，色彩适宜，宜人性好，使人有轻松的感觉。
Adopt entire enclosure protection, with good effect of three protections, The shape is beautiful and color is comfortable, which make people relaxed.
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