名词
中文翻译：滚动盖
同义词：
['roll cover', 'scroll case', 'scroll casing']
例句：
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1. Theengineer carefully inspected the scroll casing before installing the new machine.
工程师在安装新机器之前仔细检查了滚动壳。
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2.The scroll casing is designed to protect the delicate components inside.
滚动壳的设计是为了保护内部敏感组件。
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3. The scroll casing was made of a lightweight material that allowed for easy transportation.
滚动壳由轻质材料制成，便于运输。