名词
中文翻译：密封接头
同义词：
['sealed connection', 'sealed joint', 'sealed coupling']
例句：
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1. The engineer used a special tool to seal the joint in the pipe.
工程师使用一种特殊的工具来密封管道中的接头。
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2.The construction crew had to replace the sealed joint on the roof after heavy rain.
施工队在大雨后不得不更换屋顶上的密封接头。
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3. The new design uses a sealed joint to improve durability and reduce maintenance costs.
新设计使用了密封接头来提高耐用性和降低维护成本。