曾都需牢記填料改集式密封的這些安裝要領
常用(yong)的密(mi)(mi)封(feng)(feng)(feng)型式主要有填(tian)(tian)(tian)料密(mi)(mi)封(feng)(feng)(feng)、機械密(mi)(mi)封(feng)(feng)(feng)等(deng),填(tian)(tian)(tian)料密(mi)(mi)封(feng)(feng)(feng)。填(tian)(tian)(tian)料改集(ji)式密(mi)(mi)封(feng)(feng)(feng)是(shi)一(yi)種(zhong)較(jiao)為原始的接觸式密(mi)(mi)封(feng)(feng)(feng),具有結構簡(jian)單、成本(ben)低、更換簡(jian)便等(deng)優點,由于這(zhe)些(xie)優點,因(yin)而在石油(you)工業...