我們(men)平時接觸(chu)多的就是(shi)(shi)管(guan)(guan)(guan)件(jian)(jian),但是(shi)(shi)對于管(guan)(guan)(guan)件(jian)(jian)的真正定義肯定不是(shi)(shi)所(suo)有人(ren)都知道的。所(suo)謂管(guan)(guan)(guan)件(jian)(jian),就是(shi)(shi)將管(guan)(guan)(guan)子聯接成管(guan)(guan)(guan)路的零(ling)件(jian)(jian)。根(gen)據聯接方(fang)法可分為承(cheng)插(cha)式管(guan)(guan)(guan)件(jian)(jian)、螺紋管(guan)(guan)(guan)件(jian)(jian)、法蘭管(guan)(guan)(guan)件(jian)(jian)和(he)焊接管(guan)(guan)(guan)件(jian)(jian)四類。