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书桌上的彩笔痕迹怎么擦掉
更新时间: 2020-11-03 00:00:00  

书桌上的彩笔痕迹用肥皂水和乙醇擦掉。此法适用于白板笔、荧光笔等几乎所有水性、油性的彩笔。乙醇是为常见的一元醇。乙醇在常温常压下是一种易燃、易挥发的无色透明液体。纯液体不可直接饮用;具有特殊香味,并略带刺激;微甘,并伴有刺激的辛辣滋味。易燃,其蒸气能与空气形成爆炸性混合物,能与水以任意比互溶。

关键词: 书桌 彩笔 痕迹 怎么

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