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液壓缸的導(dǎo)向和密封問題---請(qǐng)教 |
點(diǎn)評(píng)
"在壓力沒有上來的時(shí)候密封效果不好"
是指O型圈這時(shí)不起密封作用,但能擠掉一層油?
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回復(fù) 1# 汪金1018 的帖子
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