对于含有初始氯离子并且锈蚀已经发生的钢筋混凝土，表面防水处理不能够有效控制钢筋锈蚀；
The results indicate that the higher water cement ratio is, the reinforcing steel corrosion starts earlier and the more serious corrosion is;
本文分析了玻璃表面的状态，研究了玻璃表面防水机理、车风挡玻璃防雨涂料的组成及制备方法。
This paper has studied the automotive wind-screen surface, the water-proof mechanism on it, and the composition and preparation of rain protection coating for wind-screen.
iPhone 4的贴纸，表面有防水保护膜。
Creative iPhone 4 stickers coated with waterproof protective film.
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