12560| 30
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O形圈密封計算竟然如此復(fù)雜 |
點(diǎn)評
指的O形圈接觸壓力、變形計算
設(shè)計,制造復(fù)雜,成本會高,價格也必然高。這沒什么不合理的呀!
如果高級貨很容易山寨,那也自然不值錢了。
可能是我沒說清楚,我說的是O形圈的計算
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