迪慶需牢記填料改集式密封的這些安裝要領
常用的(de)密封(feng)型式(shi)(shi)主要有填(tian)(tian)料(liao)(liao)密封(feng)、機(ji)械密封(feng)等,填(tian)(tian)料(liao)(liao)密封(feng)。填(tian)(tian)料(liao)(liao)改集式(shi)(shi)密封(feng)是一(yi)種(zhong)較為原始的(de)接觸式(shi)(shi)密封(feng),具有結(jie)構簡單、成本低、更換(huan)簡便(bian)等優點,由于(yu)這(zhe)些優點,因而在石(shi)油(you)工(gong)業...