—除去任何由像树脂或者树脂瘿之类的木材产生的的基质；除去被损毁的木材；用户外木材化合物密封（open wood composites）； —产品无木材防腐剂的活性。
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SF系列道路接缝粘结胶带是采用沥青、多种高分子材料及多种添加剂，在特定的工艺条件下复合制成的聚合物密封接缝胶带。
SF series of road asphalt joints adhesive tape was produced with a variety of polymer materials and additives, using specific process conditions.
蝙蝠、燕子以及更多的动物遗体以化学方式保存成它们死亡时的姿势，被密封在水里的碳酸钠沉 积物中。
Bats, swallows and more are chemically preserved in the pose in which they perished, sealed in the deposits of sodium carbonate in the water.
在参观的时候，向导绘画一个简图，一个袋子将排泄物严实地包裹起来，密封以后存好直到降落后。
During tours, the guide paints a pristine picture of the process, involving a seamless deposit of waste into a bag that's sealed for storage until landing.
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