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Rubber O-ring sealing is a kind of self-sealing, which can be applied under 1.
形橡胶圈密封属于自紧密封，使用压力范围广从1。
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The sealing structure and principle of hollow metal O-ring was introduced.
介绍了金属空心o形圈的密封结构和密封机理。
youdao
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The sealing structure and principle of hollow metal O-ring was introduced.
介绍了金属空心o形圈的密封结构和密封机理。
youdao