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在(zai)液壓(ya)系統中(zhong),常見的密(mi)(mi)封(feng)形(xing)式有擠壓(ya)型O形(xing)密(mi)(mi)封(feng)圈(quan)、Y形(xing)圈(quan)、V形(xing)圈(quan)、U形(xing)圈(quan)唇形(xing)密(mi)(mi)封(feng)。唇形(xing)密(mi)(mi)封(feng)圈(quan)主要用(yong)于往(wang)復(fu)動密(mi)(mi)封(feng),與(yu)O形(xing)圈(quan)等擠壓(ya)密(mi)(mi)封(feng)相比,往(wang)復(fu)動密(mi)(mi)封(feng)使用(yong)唇形(xing)密(mi)(mi)封(feng)圈(quan)具(ju)...