A1A-A1A

短语

词形变化

A1A-A1As 复数 A1A-A1As

释义与例句

n.
  1. 1.

    A wheel arrangement for diesel and electric locomotives with two three-axle bogies / trucks, the two outer axles of each bogie are powered and the centre axle is unpowered.

    不可数 交通 可数
  2. 2.

    A locomotive with this wheel arrangement.

    可数 不可数