Copper may be hidden under layers of paint, the only exposed metal oxidized.

比如铜的表面可能被一层层油画颜料覆盖，而唯一暴露的金属部分则被氧化。

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Its unique thermal barrier design keeps moisture from infiltrating your insulated system while preventing thermal energy loss through exposed metal handles.

独特的热障结构设计阻止水分渗透到保温系统中，防止热能从暴露的金属手柄上流失。

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Its unique thermal barrier design keeps moisture from forming and infiltrating your insulated system while preventing thermal energy loss through exposed metal handles.

其独特的热障结构避免潮气的形成和渗透到保温系统中，避免通过暴露的金属手柄损失的热量。

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There are two exposed metal connectors, used to pair up with the proprietary magnetic USB charging cable (the only accessory that ships in the box), but the housing appears to be properly sealed.

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The steel frame that once revolutionized the Chicago skyline was again seminal, though now no longer hidden on the inside of walls - the International Style was all about exposed metal and glass, and represents most people's image of the modern skyscraper.

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While housing construction and other building will take time to return to pre-financial-crash levels, the repair and restoration side of this industry is doing well, particularly since those who have had their buildings foreclosed upon are stripping gutters and other exposed metal for recycling.

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