The utility model relates to a waterproof board for building, which is mainly used for the construction of buildings such as houses, highways, subways, overpass Bridges, etc.
本实用新型涉及一种建筑用防水板，主要用于房屋、高速公路、地铁、立交桥等建筑物的构筑。
When lifting the flat boxes the board cracks at the remaining board Bridges and after welding the final piece does not bend at right angles.
当处理平的杂志箱时，我们遇到了两个问题。当抬起箱子时，纸板在余下相连处断裂，重新焊接后，最后一片的弯曲角度不正确。
When lifting the flat boxes the board cracks at the remaining board Bridges and after welding the final piece does not bend at right angles.
当处理平的杂志箱时，我们遇到了两个问题。当抬起箱子时，纸板在余下相连处断裂，重新焊接后，最后一片的弯曲角度不正确。
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