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蕾形密封圈的截面结构虽不同,但密封机理基本一致。
Lei-ring structure of the cross-section, although different, but basically the same as sealing mechanism.
youdao
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蕾形密封圈的截面结构虽不同,但密封机理基本一致。
Lei-ring structure of the cross-section, although different, but basically the same as sealing mechanism.
youdao