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1.The engineer used novolac epoxy to repair the leaky roof.
工程师用多乐士环氧树脂修补了漏水的屋顶。
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2. The construction crew applied a layer of novolac epoxy over the concrete foundation.
建筑工人在混凝土地基上涂了一层多乐士环氧树脂。
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3.The waterproofing solution is made from novolac epoxy and will last for years.
这种防水材料是由多乐士环氧树脂制成的,可以持续多年使用。