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在液壓(ya)系統中,常見的密(mi)封(feng)形(xing)(xing)式有擠壓(ya)型O形(xing)(xing)密(mi)封(feng)圈、Y形(xing)(xing)圈、V形(xing)(xing)圈、U形(xing)(xing)圈唇形(xing)(xing)密(mi)封(feng)。唇形(xing)(xing)密(mi)封(feng)圈主要用(yong)于往(wang)復(fu)動(dong)密(mi)封(feng),與O形(xing)(xing)圈等擠壓(ya)密(mi)封(feng)相比,往(wang)復(fu)動(dong)密(mi)封(feng)使用(yong)唇形(xing)(xing)密(mi)封(feng)圈具(ju)...