最終更新日：2023/09/03
Under the Whyte notation system, a 4-4-4-4 refers to a steam locomotive with four leading wheels, four powered and coupled driving wheels, four trailing wheels, and four additional powered and coupled driving wheels.
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Under the Whyte notation system, a 4-4-4-4 refers to a steam locomotive with four leading wheels, four powered and coupled driving wheels, four trailing wheels, and four additional powered and coupled driving wheels.
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