名词
中文翻译：烟道塞子
同义词：
['flue seal', 'flue plugging device']
例句：
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1.The engineer used a flue plug to prevent the smoke from escaping.
工程师使用了一个烟道塞子来防止烟雾逃逸。
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2. The factory needed to install a new flue plug to comply with safety regulations.
工厂需要安装一个新的烟道塞子以符合安全规定。
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3.The old house had several leaks that required a flue plug replacement.
这所老房子有几个泄漏点，需要更换烟道塞子。