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填料改(gai)集式密(mi)(mi)封(feng)是一(yi)種傳(chuan)統的(de)接觸(chu)式密(mi)(mi)封(feng),應用(yong)(yong)較廣,結(jie)構簡單,更換方便(bian),成本低(di)廉。可(ke)用(yong)(yong)于旋轉(zhuan)、往(wang)復、螺旋運動(dong)(dong)的(de)密(mi)(mi)封(feng),對旋轉(zhuan)運動(dong)(dong)的(de)軸(zhou)允(yun)許有軸(zhou)向竄動(dong)(dong),用(yong)(yong)于輸送一(yi)般介質(zhi),...