4-8-4+4-8-4

短语

词形变化

4-8-4+4-8-4s 复数 4-8-4+4-8-4s

释义与例句

n.
  1. 1.

    Under the Whyte notation system, a Garratt steam locomotive that is articulated in three parts, with a boiler mounted on the centre frame, and two steam engines mounted in opposite directions on separate frames, one on each end of the boiler, and each engine having a 4-8-4 wheel configuration.