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1.The steam union gasket is essential for maintaining the integrity of the engine's seals.
蒸汽联合密封件对于保持发动机密封的完整性至关重要。
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2. The engineer carefully replaced the steam union gasket to ensure proper functioning of the system.
工程师仔细更换了蒸汽联合密封件，以确保系统的正常运行。
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3.During maintenance, the technician found a damaged steam union gasket and replaced it immediately.
在维护过程中，技术人员发现一个损坏的蒸汽联合密封件并立即更换了它。