常见的密封方法有 ____ 密封、活塞环密封、____ 密封三种。 -题库考试答案搜索网

常见的密封方法有密封、活塞环密封、密封三种。

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2021-09-02 15:22

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间隙、密封圈

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标签：联大河南理工大学液压传动技术

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