| 高空外墙清洗 |
| 添加时间：2019/9/24 13:41:20 浏览次数： |
| 高空外墙清洗 High Altitude Exterior Wall Cleaning 建筑物外墙上所粘附的污垢，一般情况下与建筑物表面结合得很牢实，因为结合不牢实的污垢已被风雨冲刷下去了，剩 下的污垢可以大致分为如下几类: The dirt adhering to the exterior wall of a building is usually firmly bound to the surface of the building, because the dirt that is not firmly bound has been washed down by the wind and rain. The remaining dirt can be roughly divided into the following categories: ●以库仑力与墙壁结合的灰尘; Dust combined with wall by Coulomb force; ●靠有机物粘附在墙壁上的灰尘，纸屑树叶和其他固体污垢; ● dust, paper scraps, leaves and other solid dirt adhering to the wall by organic matter; ●以高速飞行后碰撞到墙壁上，死后又粘附在墙壁上的昆虫，小鸟残骸; Flying at high speed and crashing into the wall, insects and bird debris that adhere to the wall after death. ●大气污染，在外墙表面形成的锈斑; Atmospheric pollution, rust spots on the surface of exterior walls; ●含有机物和无机盐的雨水冲刷后留下的水纹; Watermarks left by rainwater containing organic substances and inorganic salts; ●从屋顶留下的雨水夹带的污垢. The dirt left by rainwater from the roof. |
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