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在液(ye)壓(ya)系統中(zhong),常見的密(mi)封(feng)(feng)形(xing)式有擠壓(ya)型O形(xing)密(mi)封(feng)(feng)圈(quan)、Y形(xing)圈(quan)、V形(xing)圈(quan)、U形(xing)圈(quan)唇(chun)形(xing)密(mi)封(feng)(feng)。唇(chun)形(xing)密(mi)封(feng)(feng)圈(quan)主要(yao)用于往復動密(mi)封(feng)(feng),與O形(xing)圈(quan)等(deng)擠壓(ya)密(mi)封(feng)(feng)相比,往復動密(mi)封(feng)(feng)使用唇(chun)形(xing)密(mi)封(feng)(feng)圈(quan)具...