你不可能完全清除地上的污迹，所以他们尽量洗干净，然后在表面漆上一层密封剂。
You can't physically remove all the stains from floorboards so they clean it as best the can and paint a sealant on the top.
聚氨酯表面涂料可作为木材、水泥以及机器零件的密封剂。
Polyurethane surface coatings are applied as sealants to wood, concrete, and machine parts.
汉高粘合剂业务部是工业粘合剂、密封剂和表面处理领域的全球市场领导者。
Henkel adhesive technologies business unit is the global leader of industrial adhesives, sealants and surface treatments.
抗老化、抗氧化、防褪色、防静电，不易粘灰尘，是全天候汽车漆面的密封剂附在表面，效果环保，不含硅、不含蜡。
Anti-aging, anti-oxidant, anti-fading, anti-static, less sticky-dust, has environmental effect, and does not contain silicon and wax.
抗老化、抗氧化、防褪色、防静电，不易粘灰尘，是全天候汽车漆面的密封剂附在表面，效果环保，不含硅、不含蜡。
Anti-aging, anti-oxidant, anti-fading, anti-static, less sticky-dust, has environmental effect, and does not contain silicon and wax.
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