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在液壓(ya)系(xi)統(tong)中,常見(jian)的密(mi)封(feng)形(xing)(xing)式有擠壓(ya)型(xing)O形(xing)(xing)密(mi)封(feng)圈(quan)(quan)(quan)、Y形(xing)(xing)圈(quan)(quan)(quan)、V形(xing)(xing)圈(quan)(quan)(quan)、U形(xing)(xing)圈(quan)(quan)(quan)唇形(xing)(xing)密(mi)封(feng)。唇形(xing)(xing)密(mi)封(feng)圈(quan)(quan)(quan)主要用(yong)于(yu)往復動密(mi)封(feng),與O形(xing)(xing)圈(quan)(quan)(quan)等擠壓(ya)密(mi)封(feng)相比(bi),往復動密(mi)封(feng)使(shi)用(yong)唇形(xing)(xing)密(mi)封(feng)圈(quan)(quan)(quan)具...