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填料(liao)改集式密(mi)封是(shi)一(yi)種傳統(tong)的接(jie)觸式密(mi)封,應用(yong)較(jiao)廣,結構簡單,更換方便,成本(ben)低廉。可(ke)用(yong)于(yu)旋(xuan)轉(zhuan)、往復、螺旋(xuan)運(yun)動(dong)(dong)的密(mi)封,對旋(xuan)轉(zhuan)運(yun)動(dong)(dong)的軸允許(xu)有軸向竄(cuan)動(dong)(dong),用(yong)于(yu)輸送一(yi)般介質,...