鑄鐵(tie)排水管(guan)(guan)(guan)W型配件(jian)(jian)(jian)斜三(san)通(tong)(tong)(tong)(tong):就是(shi)支管(guan)(guan)(guan)與主(zhu)(zhu)管(guan)(guan)(guan)有一(yi)定(ding)的(de)(de)(de)(de)夾角的(de)(de)(de)(de)三(san)通(tong)(tong)(tong)(tong)管(guan)(guan)(guan)件(jian)(jian)(jian)。斜四(si)(si)通(tong)(tong)(tong)(tong):就是(shi)支管(guan)(guan)(guan)與主(zhu)(zhu)管(guan)(guan)(guan)有一(yi)定(ding)的(de)(de)(de)(de)夾角的(de)(de)(de)(de)四(si)(si)通(tong)(tong)(tong)(tong)管(guan)(guan)(guan)件(jian)(jian)(jian)。斜三(san)通(tong)(tong)(tong)(tong)、斜四(si)(si)通(tong)(tong)(tong)(tong)是(shi)排水管(guan)(guan)(guan)路中用于管(guan)(guan)(guan)道(dao)分(fen)支處的(de)(de)(de)(de)一(yi)種管(guan)(guan)(guan)件(jian)(jian)(jian)。斜都是(shi)相對于正來說的(de)(de)(de)(de),正三(san)通(tong)(tong)(tong)(tong)是(shi)支管(guan)(guan)(guan)垂直主(zhu)(zhu)管(guan)(guan)(guan),正四(si)(si)通(tong)(tong)(tong)(tong)是(shi)四(si)(si)根成垂直相交的(de)(de)(de)(de)管(guan)(guan)(guan)子,而(er)斜的(de)(de)(de)(de)管(guan)(guan)(guan)件(jian)(jian)(jian)就是(shi)兩(liang)個相交的(de)(de)(de)(de)管(guan)(guan)(guan)道(dao)之間有銳角夾角。