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填(tian)料改集式(shi)(shi)密(mi)(mi)封是一種傳統的接觸(chu)式(shi)(shi)密(mi)(mi)封,應(ying)用(yong)較廣,結構簡單,更換(huan)方便(bian),成(cheng)本低廉(lian)。可(ke)用(yong)于旋(xuan)(xuan)轉、往復、螺(luo)旋(xuan)(xuan)運動(dong)(dong)的密(mi)(mi)封,對旋(xuan)(xuan)轉運動(dong)(dong)的軸允(yun)許有軸向竄動(dong)(dong),用(yong)于輸送一般(ban)介(jie)質(zhi),...