名词
中文翻译：硬面层
同义词：
['hard coating', 'hard shell']
例句：
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1.The new car has a hardfacing on the dashboard to protect it from scratches.
新车的仪表盘上有硬质覆盖层以保护它免受刮擦。
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2. The engineer decided to use a hardfacing material for the construction of the bridge.
工程师决定使用硬质覆盖材料来建造这座桥。
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3. The hardfacing layer is designed to resist wear and tear.
硬质覆盖层设计用来抵抗磨损。