名词
中文翻译：涂层
同义词：
['coating', 'plating']
例句：
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1.The new car has a spelter coating on the exterior to protect it from scratches.
新车的外表面涂有一层镀层以保护它免受刮擦。
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2.The steel plate is used as a spelter coating to protect the metal from corrosion.
钢板被用作镀层来保护金属免受腐蚀。
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3.The engineer applied a spelter coating to the surface of the machine to improve its durability.
工程师给机器的表面涂上一层镀层以增强其耐用性。