黑化滤料表面物质的组成及其洗除技术研究 关键词 供水 过滤 滤料 表面附着物 [gap=4519]Key Words Water Supply, Filter, Sand filter, Surface Adhesive Materials
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双动滚笼式螺旋预处理机是通过对块状物体的离心滚动摩擦碰撞，清除其表面的非同质附着物。
The double moved cylinder pretreating-machine clears away the nonidentical substance adhering to the surface of lump-shaped objects via centrifugal rolling friction collision.
钢材表面应无可见的油脂、污垢、氧化皮、铁锈和油漆涂层附着物，任何残留痕迹应仅具点状或条纹状的轻微色斑。
Steel surface should be no visible oil, dirt, scale, rust and paint coating attachments, any markings should be only slight discoloration of dot or stripes.
钢材表面应无可见油脂、污垢、氧化皮、铁锈和油漆涂层及其它杂物应尽可能除去，任何附着物均应是牢靠的。
Steel surface should be no visible oil, dirt, scale, rust and paint coating and other debris should as far as possible eliminate, any attachments should be strong.
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