沥青薄膜防水层 water proof asphalt membrane
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本发明用塑料薄膜或塑料板作为房顶的防水层,塑料层位于房顶表层,或位于房顶多层结构中的其中一层。
Said invention utilizes plastic film or plastic board as the water-proof layer of root, while the plastic layer is mounted on the surface of root or in the one layer of multilayer structure of root.
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