代号 A 端口径 B 端口径 C 端口径 11T 汽管 19.05/15.88 15.88/12.7 15.88/12.7 液管 9.52 9.52/6.35 9.52/6.35 18T 汽管 19.05/15.88 19.05/15.88/12.7 15.88/12.7 液管 9.52 9.52/6.35 9.52/6.35 22T 汽管 19.05/15.88./12.7 15.88/12.7 15.88/12.7 液管 9.52 9.52/6.35 9.52/6.35 33T 汽管 19.05/22.22 19.05/15.88 15.88/12.7 液管 12.7/9.52 9.52/6.35 9.52/6.35 37T 汽管 25.4/28.58/31.8 25.4/19.05/15.88 19.05/15.88/12.7 液管 15.88/12.7