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為什么在o型圈的兩側(cè)開油脂槽可提高密封效果,這是什么原理呢 |
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機(jī)械密封安卓版。。。密封選型及溝槽設(shè)計(jì)輸出,QQ二五四一一二九八四
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機(jī)械密封安卓版。。。密封選型及溝槽設(shè)計(jì)輸出,QQ二五四一一二九八四
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機(jī)械密封安卓版。。。密封選型及溝槽設(shè)計(jì)輸出,QQ二五四一一二九八四
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