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填(tian)料改集式密封是(shi)一(yi)種(zhong)傳統的(de)(de)接(jie)觸(chu)式密封,應用(yong)較廣(guang),結(jie)構簡單,更(geng)換(huan)方便(bian),成本低廉(lian)。可用(yong)于(yu)旋轉(zhuan)、往復(fu)、螺旋運(yun)動(dong)的(de)(de)密封,對旋轉(zhuan)運(yun)動(dong)的(de)(de)軸(zhou)允(yun)許有軸(zhou)向(xiang)竄動(dong),用(yong)于(yu)輸(shu)送(song)一(yi)般介質,...