名词中文翻译
中文翻译：外壳
同义词：
['shell', 'outer shell', 'casing']
例句：
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1. The engineer designed a newcasinghead for the machine.
工程师为机器设计了一个新的外壳。
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2. The scientistfound that the casinghead was made of high-quality materials.
科学家发现外壳是由高质量的材料制成的。
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3. The casinghead isdesigned to protect the internal components from damage.
外壳的设计是为了保护内部组件免受损坏。