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在液(ye)壓(ya)系(xi)統中,常見的密(mi)封(feng)形(xing)(xing)式有擠(ji)壓(ya)型O形(xing)(xing)密(mi)封(feng)圈(quan)(quan)、Y形(xing)(xing)圈(quan)(quan)、V形(xing)(xing)圈(quan)(quan)、U形(xing)(xing)圈(quan)(quan)唇形(xing)(xing)密(mi)封(feng)。唇形(xing)(xing)密(mi)封(feng)圈(quan)(quan)主要用(yong)于(yu)往(wang)復動密(mi)封(feng),與O形(xing)(xing)圈(quan)(quan)等擠(ji)壓(ya)密(mi)封(feng)相(xiang)比,往(wang)復動密(mi)封(feng)使用(yong)唇形(xing)(xing)密(mi)封(feng)圈(quan)(quan)具...