名词
中文翻译：封闭覆盖物
同义词：
['sealed covering', 'sealed layer']
例句：
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1.The roof of the house is made of a closed covering material.
这座房子的屋顶是用一种封闭覆盖材料制成的。
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2. The engineer used a closed covering to protect the fragile electronics.
工程师使用了一种封闭覆盖物来保护那些脆弱的电子设备。
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3. The closed covering was designed to prevent moisture from seeping in.
这种封闭覆盖物的设计是为了防止水分渗透。