靈璧需牢記填料改集式密封的這些安裝要領
常用的(de)密封(feng)(feng)(feng)型式(shi)(shi)主要有(you)填(tian)料(liao)密封(feng)(feng)(feng)、機械(xie)密封(feng)(feng)(feng)等,填(tian)料(liao)密封(feng)(feng)(feng)。填(tian)料(liao)改集(ji)式(shi)(shi)密封(feng)(feng)(feng)是(shi)一種(zhong)較(jiao)為原始的(de)接觸式(shi)(shi)密封(feng)(feng)(feng),具有(you)結(jie)構(gou)簡單(dan)、成本低、更(geng)換(huan)簡便等優點(dian),由于這(zhe)些(xie)優點(dian),因而在石油工(gong)業...