名词
中文翻译：Unknown
同义词：
['firing seal', 'welding seal']
例句：
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1. The flame sealing process is crucial for the integrity of the welded joint.
火焰密封过程对于焊缝的完整性至关重要。
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2. During the welding process, it's important to ensure that the flame sealing is even and consistent.
在焊接过程中，确保火焰密封均匀且一致是很重要的。
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3. The engineer used a special tool to achieve a perfect flame sealing on the joint.
工程师使用一种特殊的工具来在接头上实现完美的火焰密封。