崇川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)(feng)(feng)型式(shi)主(zhu)要有填(tian)料密封(feng)(feng)(feng)(feng)(feng)、機械密封(feng)(feng)(feng)(feng)(feng)等(deng),填(tian)料密封(feng)(feng)(feng)(feng)(feng)。填(tian)料改集式(shi)密封(feng)(feng)(feng)(feng)(feng)是一種較為原始的接觸式(shi)密封(feng)(feng)(feng)(feng)(feng),具有結構簡單(dan)、成(cheng)本低、更換簡便(bian)等(deng)優點,由于這(zhe)些優點,因而在石(shi)油工業...