名词
中文翻译：Unknown
同义词：
['shaft sealing', 'shaft packing', 'shaft packing device']
例句：
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1. The engineer used a special shaft packing to prevent the leakage of oil.
工程师使用一种特殊的轴密封来防止油的泄漏。
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2. The new design of the shaft packing has greatly improved the efficiency of the machine.
新型轴密封的设计大大提高了机器的效率。
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3. During the maintenance, the technician replaced the worn-out shaft packing with a new one.
在维护过程中，技术人员用新的轴密封替换了磨损的轴密封。