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在液壓系統中(zhong),常見的(de)密封(feng)(feng)形(xing)式有擠(ji)壓型O形(xing)密封(feng)(feng)圈(quan)(quan)、Y形(xing)圈(quan)(quan)、V形(xing)圈(quan)(quan)、U形(xing)圈(quan)(quan)唇形(xing)密封(feng)(feng)。唇形(xing)密封(feng)(feng)圈(quan)(quan)主要用(yong)于往復(fu)動(dong)密封(feng)(feng),與O形(xing)圈(quan)(quan)等(deng)擠(ji)壓密封(feng)(feng)相比(bi),往復(fu)動(dong)密封(feng)(feng)使用(yong)唇形(xing)密封(feng)(feng)圈(quan)(quan)具...