名词中文翻译
中文翻译：铅密封
同义词：
['lead seal', 'lead sealing']
例句：
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1. The lead seal on the door is broken.
门上的铅密封坏了。
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2. The lead seal was used to prevent leaks in old pipes.
铅密封被用来防止旧管道的泄漏。
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3. The lead sealing process is crucial for ensuring the safety of the environment.
铅密封过程对于确保环境安全至关重要。