紹興需牢記填料改集式密封的這些安裝要領
常用的密封(feng)(feng)(feng)型式(shi)主(zhu)要(yao)有填(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)改集式(shi)密封(feng)(feng)(feng)是(shi)一種(zhong)較為原始(shi)的接觸式(shi)密封(feng)(feng)(feng),具有結構簡單(dan)、成本低(di)、更換(huan)簡便(bian)等優(you)點,由于(yu)這(zhe)些優(you)點,因而在石油(you)工(gong)業(ye)...