桑珠孜需牢記填料改集式密封的這些安裝要領
常用(yong)的密(mi)封(feng)型式主(zhu)要有(you)填(tian)(tian)料密(mi)封(feng)、機械密(mi)封(feng)等,填(tian)(tian)料密(mi)封(feng)。填(tian)(tian)料改集式密(mi)封(feng)是一(yi)種較(jiao)為原始的接(jie)觸式密(mi)封(feng),具有(you)結構簡(jian)(jian)單、成本低、更換簡(jian)(jian)便等優點(dian),由于這(zhe)些優點(dian),因而在石油工業...