雙流需牢記填料改集式密封的這些安裝要領
常用的(de)密(mi)封(feng)(feng)(feng)型(xing)式(shi)(shi)主要(yao)有(you)(you)填(tian)料(liao)(liao)密(mi)封(feng)(feng)(feng)、機械密(mi)封(feng)(feng)(feng)等(deng),填(tian)料(liao)(liao)密(mi)封(feng)(feng)(feng)。填(tian)料(liao)(liao)改集式(shi)(shi)密(mi)封(feng)(feng)(feng)是(shi)一種較為(wei)原始的(de)接觸式(shi)(shi)密(mi)封(feng)(feng)(feng),具有(you)(you)結構簡單、成本(ben)低、更換簡便等(deng)優點,由(you)于這(zhe)些優點,因而(er)在石油工業...