Compound waterproofing roof can improve the entire waterproofing function of the waterproof course. However, defective design and construction can hardly result in an expected effect.
复合防水屋面可以提高防水层的整体防水功能，但若设计、施工不合理，很难取得预期效果。
Compound waterproofing roof can improve the entire waterproofing function of the waterproof course. However, defective design and construction can hardly result in an expected effect.
复合防水屋面可以提高防水层的整体防水功能，但若设计、施工不合理，很难取得预期效果。
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