名词
中文翻译：延伸阀盖
同义词：
['延伸阀门壳体例句：1. The engineers were working on the extension valve case to ensure it was properly sealed.（工程师们正在对延伸阀盖进行工作，以确保它被正确密封。）2. The technicians had to replace the extension valve case due to a faulty seal.（技术人员不得不更换延伸阀盖，因为密封出现了故障。）']
例句：
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1. The engineers were working on the extension valve case to ensure it was properly sealed.
工程师们正在对延伸阀盖进行工作，以确保它被正确密封。
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2. The technicians had to replace the extension valve case due to a faulty seal.
技术人员不得不更换延伸阀盖，因为密封出现了故障。
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3. The maintenance crew inspected the extension valve case and found no signs of wear or damage.
维护团队检查了延伸阀盖，没有发现磨损或损坏的迹象。