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在(zai)液壓系(xi)統中,常見的密(mi)(mi)封(feng)(feng)形(xing)(xing)式有擠(ji)壓型(xing)O形(xing)(xing)密(mi)(mi)封(feng)(feng)圈(quan)、Y形(xing)(xing)圈(quan)、V形(xing)(xing)圈(quan)、U形(xing)(xing)圈(quan)唇形(xing)(xing)密(mi)(mi)封(feng)(feng)。唇形(xing)(xing)密(mi)(mi)封(feng)(feng)圈(quan)主(zhu)要用于往復動(dong)密(mi)(mi)封(feng)(feng),與O形(xing)(xing)圈(quan)等擠(ji)壓密(mi)(mi)封(feng)(feng)相(xiang)比,往復動(dong)密(mi)(mi)封(feng)(feng)使(shi)用唇形(xing)(xing)密(mi)(mi)封(feng)(feng)圈(quan)具...